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Extensive catalog of pharmaceutical research compounds

A-Ethynodiol Diacetate

A-Ethynodiol Diacetate

Category: Reference Standard

CAS: 297-76-7

Formula: C₂₄H₃₂O₄

Purity: ≥ 98.0% (HPLC)

Mol Weight: 384.51 g/mol

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A-Tocopherol Phosphate

A-Tocopherol Phosphate

Category: Custom Synthesis

CAS: 50902-75-1

Formula: C₂₉H₅₀O₅P

Purity: ≥ 97.0%

Mol Weight: 512.66 g/mol

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Abacavir 2-Hydroxy Impurity

Abacavir 2-Hydroxy Impurity

Category: API Impurity

CAS: Not Assigned

Formula: C₁₄H₁₈N₆O₂

Purity: ≥ 95.0%

Mol Weight: ~306.32 g/mol

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Abacavir 5’-Phosphate

Abacavir 5’-Phosphate

Category: API Impurity

CAS: Not Assigned

Formula: C₁₄H₁₉N₆O₄P

Purity: ≥ 95.0%

Mol Weight: ~382.31 g/mol

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Abacavir Diamino Purine Impurity

Abacavir Diamino Purine Impurity

Category: API Impurity

CAS: Not Assigned

Formula: C₁₁H₁₄N₆

Purity: ≥ 95.0%

Mol Weight: ~230.27 g/mol

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Abacavir Dinitroso Impurity

Abacavir Dinitroso Impurity

Category: API Impurity

CAS: Not Assigned

Formula: C₁₄H₁₆N₈O₂

Purity: ≥ 95.0%

Mol Weight: ~332.32 g/mol

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Abacavir EP Impurity A (Sulfate Salt)

Abacavir EP Impurity A (Sulfate Salt)

Category: Custom Synthesis

CAS: Not Assigned

Formula: C₁₄H₁₈N₆O · H₂SO₄

Purity: As per EP specification (≥ 95.0%)

Mol Weight: ~382.38 g/mol

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Abacavir EP Impurity B

Abacavir EP Impurity B

Category: Custom Synthesis

CAS: Not Assigned

Formula: C₁₄H₁₇N₅O

Purity: ≥ 95.0%

Mol Weight: ~271.32 g/mol

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Abacavir EP Impurity D

Abacavir EP Impurity D

Category: Custom Synthesis

CAS: Not Assigned

Formula: C₁₄H₁₈N₆O₂

Purity: ≥ 95.0%

Mol Weight: ~306.32 g/mol

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Bacampicillin EP Impurity B

Bacampicillin EP Impurity B

Category: Reference Standard

CAS: Not Assigned

Formula: C₁₉H₂₃N₃O₆S

Purity: ≥ 95.0%

Mol Weight: ~425.46 g/mol

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Bacampicillin EP Impurity C

Bacampicillin EP Impurity C

Category: Custom Synthesis

CAS: Not Assigned

Formula: C₁₈H₂₁N₃O₅S

Purity: ≥ 95.0%

Mol Weight: ~395.45 g/mol

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Bacampicillin EP Impurity D

Bacampicillin EP Impurity D

Category: Custom Synthesis

CAS: Not Assigned

Formula: C₁₇H₂₀N₂O₆S

Purity: ≥ 95.0%

Mol Weight: ~388.41 g/mol

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Bacampicillin EP Impurity E

Bacampicillin EP Impurity E

Category: Custom Synthesis

CAS: Not Assigned

Formula: C₁₆H₁₉N₂O₅S

Purity: ≥ 95.0%

Mol Weight: ~359.40 g/mol

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Bacampicillin EP Impurity G

Bacampicillin EP Impurity G

Category: Custom Synthesis

CAS: Not Assigned

Formula: C₁₅H₁₈N₂O₅S

Purity: ≥ 95.0%

Mol Weight: ~346.38 g/mol

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Bacampicillin EP Impurity H

Bacampicillin EP Impurity H

Category: Custom Synthesis

CAS: Not Assigned

Formula: C₁₄H₁₇N₂O₄S

Purity: ≥ 95.0%

Mol Weight: ~313.36 g/mol

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Bacampicillin EP Impurity I

Bacampicillin EP Impurity I

Category: Custom Synthesis

CAS: Not Assigned

Formula: C₁₃H₁₆N₂O₄S

Purity: ≥ 95.0%

Mol Weight: ~300.33 g/mol

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Bacampicillin Hydrochloride

Bacampicillin Hydrochloride

Category: API Impurity

CAS: 50972-17-3

Formula: C₁₉H₂₃ClN₃O₆S

Purity: ≥ 98.0%

Mol Weight: 461.91 g/mol

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Baccharin

Baccharin

Category: Custom Synthesis

CAS: 511-97-9

Formula: C₂₀H₂₂O₄

Purity: ≥ 98.0%

Mol Weight: 326.38 g/mol

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C-2 Epimer Ertugliflozin Impurity

C-2 Epimer Ertugliflozin Impurity

Category: Custom Synthesis

CAS: 1528636-39-6

Formula: C₂₃H₂₉ClO₈

Purity: ≥95% (HPLC)

Mol Weight: 468.93 g/mol

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C-Terminal Deamidation Tirzepatide

C-Terminal Deamidation Tirzepatide

Category: Custom Synthesis

CAS: Not assigned

Formula: C₂₂₅H₃₄₇N₄₇O₆₉

Purity: Research grade (typically ≥90–95%)

Mol Weight: ~4814.5 g/mol

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C6 Ceramide

C6 Ceramide

Category: Custom Synthesis

CAS: 124753-97-5

Formula: C₂₄H₄₇NO₃

Purity: ≥98%

Mol Weight: 397.6 g/mol

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C6 D-Threo Ceramide

C6 D-Threo Ceramide

Category: Custom Synthesis

CAS: 189894-79-9

Formula: C₂₄H₄₇NO₃

Purity: Research grade

Mol Weight: 397.6 g/mol

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C6 L-Threo Ceramide

C6 L-Threo Ceramide

Category: Custom Synthesis

CAS: 189894-80-2

Formula: C₂₄H₄₇NO₃

Purity: Research grade

Mol Weight: 397.6 g/mol

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Cabazitaxel

Cabazitaxel

Category: API Impurity

CAS: 183133-96-2

Formula: C₄₅H₅₇NO₁₄

Purity: ≥99% (HPLC)

Mol Weight: 835.94 g/mol

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Cabazitaxel (2S,3R)-Isomer

Cabazitaxel (2S,3R)-Isomer

Category: Custom Synthesis

CAS: 1714967-27-7

Formula: C₄₅H₅₇NO₁₄

Purity: Research grade

Mol Weight: ~835.94 g/mol

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Cabazitaxel Acetone

Cabazitaxel Acetone

Category: Custom Synthesis

CAS: Not assigned

Formula: Approximate (Cabazitaxel–acetone adduct)

Purity: Research grade

Mol Weight: ~894 g/mol (estimated)

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Cabazitaxel d9

Cabazitaxel d9

Category: Reference Standard

CAS: Not assigned

Formula: C₄₅H₄₈D₉NO₁₄

Purity: High (internal-standard grade)

Mol Weight: ~844 g/mol

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Cabazitaxel Dectroc Oxazolidine Impurity

Cabazitaxel Dectroc Oxazolidine Impurity

Category: Custom Synthesis

CAS: 159262-93-8

Formula: C₄₆H₅₇NO₁₄

Purity: ≥95%

Mol Weight: 847.9 g/mol

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D-(+)-Camphor

D-(+)-Camphor

Category: Custom Synthesis

CAS: 464-49-3 (R-(+)-camphor)

Formula: C10H16O

Purity: Typically ≥98% for analytical grade.

Mol Weight: 152.23 g/mol

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D-(-)-Norgestrel b-D-Glucuronide

D-(-)-Norgestrel b-D-Glucuronide

Category: Custom Synthesis

CAS: Not assigned

Formula: C27H36O8

Purity: Typically high (≥98%) for analytical standards

Mol Weight: ~488.57 g/mol

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D-(-)-Norgestrel Sulfate Sodium Salt

D-(-)-Norgestrel Sulfate Sodium Salt

Category: Custom Synthesis

CAS: Not assigned

Formula: C21H27O5S·Na (approx.)

Purity: Supplier dependent (for analytical use)

Mol Weight: ~391.5 g/mol

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D-(-)-Tartaric Acid

D-(-)-Tartaric Acid

Category: Custom Synthesis

CAS: 147-71-7

Formula: C4H6O6

Purity: Typically ≥99%

Mol Weight: 150.09 g/mol

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D-Allo–Thr13 Liraglutide

D-Allo–Thr13 Liraglutide

Category: Custom Synthesis

CAS: Not assigned (NA)

Formula: C172H265N43O51

Purity: Dependent on supplier COA (often ≥90% for referenc

Mol Weight: ~3751.26 g/mol

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D-Gama-Glu-Tirzepatide

D-Gama-Glu-Tirzepatide

Category: Custom Synthesis

CAS: Not assigned

Formula: ~C225H348N48O68

Purity: Dependent on synthesis (often ≥90% for research pe

Mol Weight: ~4813.5 g/mol

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D-Glucoheptono-1,4-lactone

D-Glucoheptono-1,4-lactone

Category: Reference Standard

CAS: 89-67-8

Formula: C7H12O7

Purity: Typically ≥99% (reference standard grade)

Mol Weight: 208.2 g/mol

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D-Norvaline

D-Norvaline

Category: Custom Synthesis

CAS: 2013-12-9

Formula: C5H11NO2

Purity: Often ≥99% (assay) for research grade

Mol Weight: 117.15 g/mol

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D-Ser18 Liraglutide

D-Ser18 Liraglutide

Category: Custom Synthesis

CAS: NA

Formula: C172H265N43O51

Purity: Supplier dependent, typically for analytical use.

Mol Weight: ~3751 Da

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E-Cefdinir (USP)

E-Cefdinir (USP)

Category: API Impurity

CAS: 91832-40-5

Formula: C₁₄H₁₃N₅O₅S₂

Purity: USP grade; typically ≥95% by HPLC (as per COA)

Mol Weight: 395.41 g/mol

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E-Doxepin-D3 Hcl

E-Doxepin-D3 Hcl

Category: Reference Standard

CAS: Not assigned

Formula: C₁₉H₁₉D₃ClNO

Purity: Typically ≥98% (isotopic & chemical purity, COA ba

Mol Weight: ~318.86 g/mol

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Ebastine

Ebastine

Category: API Impurity

CAS: 90729-43-4

Formula: C₃₂H₃₉NO₂

Purity: ≥98% (API or reference standard grade)

Mol Weight: 469.66 g/mol

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Ebastine D6

Ebastine D6

Category: Reference Standard

CAS: Not assigned

Formula: C₃₂H₃₃D₆NO₂

Purity: ≥95% (chemical & isotopic purity)

Mol Weight: ~475.7 g/mol

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Ebastine EP Impurity A

Ebastine EP Impurity A

Category: Reference Standard

CAS: 91-01-0

Formula: C₁₃H₁₂O

Purity: ≥95% (HPLC)

Mol Weight: 184.23 g/mol

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Ebastine EP Impurity C

Ebastine EP Impurity C

Category: Reference Standard

CAS: 58258-01-8

Formula: C₁₈H₂₁NO

Purity: ≥95%

Mol Weight: 267.37 g/mol

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Ebastine EP Impurity D

Ebastine EP Impurity D

Category: API Impurity

CAS: 97928-18-2

Formula: C₁₉H₂₉NO₂

Purity: ≥95%

Mol Weight: 303.44 g/mol

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Ebastine EP Impurity E

Ebastine EP Impurity E

Category: Reference Standard

CAS: 1312211-93-0

Formula: C₃₃H₄₁NO₂

Purity: ≥95%

Mol Weight: 483.68 g/mol

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Ebastine EP Impurity F

Ebastine EP Impurity F

Category: Custom Synthesis

CAS: 1429071-63-5

Formula: C₃₂H₃₉NO₃

Purity: ≥95%

Mol Weight: 485.66 g/mol

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Ebastine EP Impurity F & G (Mixture)

Ebastine EP Impurity F & G (Mixture)

Category: Reference Standard

CAS: 1429071-63-5 (F), 1429071-65-7 (G)

Formula: C₃₂H₃₉NO₃

Purity: Qualified mixture as per EP specification

Mol Weight: ~485.66 g/mol

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Famciclovir

Famciclovir

Category: Reference Standard

CAS: 104227-87-4

Formula: C₁₄H₁₉N₅O₄

Purity: ≥98% (typical pharmacopeial standard)

Mol Weight: 321.33 g/mol

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Famciclovir Impurity 11

Famciclovir Impurity 11

Category: Reference Standard

CAS: 131266-11-0

Formula: C₁₅H₂₁N₅O₅

Purity: ≥ 95.0% (HPLC)

Mol Weight: 351.36 g/mol

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Famciclovir Impurity 15

Famciclovir Impurity 15

Category: Custom Synthesis

CAS: 97845-60-8

Formula: C₁₄H₁₈ClN₅O₄

Purity: ≥ 95.0%

Mol Weight: 355.78 g/mol

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Famciclovir Impurity 16

Famciclovir Impurity 16

Category: Custom Synthesis

CAS: Not assigned

Formula: Closely related to C₁₄H₁₉N₅O₄

Purity: ≥ 95.0%

Mol Weight: ~321.33 g/mol

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Famciclovir Impurity 2

Famciclovir Impurity 2

Category: Custom Synthesis

CAS: Not assigned

Formula: Related to famciclovir core structure

Purity: ≥ 95.0%

Mol Weight: Approximately 321–335 g/mol

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Famciclovir Impurity 3

Famciclovir Impurity 3

Category: Custom Synthesis

CAS: Not assigned

Formula: C10H11N5O5

Purity: ≥ 95.0%

Mol Weight: ~335 g/mol

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Famciclovir Impurity 4

Famciclovir Impurity 4

Category: Custom Synthesis

CAS: Not assigned

Formula: C10H11N5O5

Purity: ≥ 95.0%

Mol Weight: ~279–300 g/mol

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Famciclovir Impurity 6

Famciclovir Impurity 6

Category: Custom Synthesis

CAS: Not assigned

Formula: Chlorinated or deoxygenated derivative

Purity: ≥ 95.0%

Mol Weight: ~295–300 g/mol

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Famciclovir Impurity 7

Famciclovir Impurity 7

Category: Custom Synthesis

CAS: Not assigned

Formula: Higher alkyl-substituted famciclovir analog

Purity: ≥ 95.0%

Mol Weight: ~500 g/mol

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Famciclovir Malonate

Famciclovir Malonate

Category: Custom Synthesis

CAS: 122497-20-5

Formula: C₁₂H₁₅N₅O₄

Purity: ≥ 95.0%

Mol Weight: 293.28 g/mol

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Gabalactam

Gabalactam

Category: Custom Synthesis

CAS: 64744-50-9

Formula: C₉H₁₅NO

Purity: ≥ 95.0% (HPLC)

Mol Weight: 153.22 g/mol

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Gabapentin

Gabapentin

Category: API Impurity

CAS: 60142-96-3

Formula: C₉H₁₇NO₂

Purity: ≥ 98.0%

Mol Weight: 171.24 g/mol

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Gabapentin Acid Impurity

Gabapentin Acid Impurity

Category: Custom Synthesis

CAS: 133481-09-1

Formula: C₉H₁₃NO₂

Purity: ≥ 95.0%

Mol Weight: 167.21 g/mol

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Gabapentin Cyclic Impurity

Gabapentin Cyclic Impurity

Category: Custom Synthesis

CAS: Not assigned

Formula: Typically C₉H₁₅NO (cyclic variant)

Purity: ≥ 95.0%

Mol Weight: ~153 g/mol

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Gabapentin D4

Gabapentin D4

Category: Custom Synthesis

CAS: 1185039-20-6

Formula: C₉H₁₃D₄NO₂

Purity: ≥ 95.0%

Mol Weight: ~175.3 g/mol

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Gabapentin Di-Lactam Impurity

Gabapentin Di-Lactam Impurity

Category: Custom Synthesis

CAS: Not assigned

Formula: Variable (dual lactam structure derived from gabapentin)

Purity: ≥ 95.0%

Mol Weight: Typically 250–320 g/mol

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Gabapentin Di-Nitrile Impurity

Gabapentin Di-Nitrile Impurity

Category: Custom Synthesis

CAS: 4172-99-0

Formula: C₉H₁₂N₂

Purity: ≥ 95.0%

Mol Weight: 148.20 g/mol

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Gabapentin EP Impurity A

Gabapentin EP Impurity A

Category: Custom Synthesis

CAS: 64744-50-9

Formula: C₉H₁₅NO

Purity: ≥ 95.0%

Mol Weight: 153.22 g/mol

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Halcinonide

Halcinonide

Category: API Impurity

CAS: 3093-35-4

Formula: C₂₄H₃₂ClFO₅

Purity: ≥ 98.0%

Mol Weight: 454.96 g/mol

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Halcinonide Impurity 1

Halcinonide Impurity 1

Category: Custom Synthesis

CAS: Not assigned

Formula: Structurally related to halcinonide

Purity: ≥ 95.0%

Mol Weight: ~430–470 g/mol

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Halcinonide Impurity 12

Halcinonide Impurity 12

Category: Custom Synthesis

CAS: Not assigned

Formula: Halcinonide structural analog

Purity: ≥ 95.0%

Mol Weight: ~450 g/mol

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Halcinonide Impurity 13

Halcinonide Impurity 13

Category: Custom Synthesis

CAS: Not assigned

Formula: Related corticosteroid derivative

Purity: ≥ 95.0%

Mol Weight: ~440–460 g/mol

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Halcinonide Impurity 14

Halcinonide Impurity 14

Category: Custom Synthesis

CAS: Not assigned

Formula: Closely related to parent API

Purity: ≥ 95.0%

Mol Weight: ~455 g/mol

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Halcinonide Impurity 15

Halcinonide Impurity 15

Category: Custom Synthesis

CAS: Not assigned

Formula: Steroid degradation derivative

Purity: ≥ 95.0%

Mol Weight: ~430–450 g/mol

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Halcinonide Impurity 16

Halcinonide Impurity 16

Category: Custom Synthesis

CAS: Not assigned

Formula: Halcinonide analog

Purity: ≥ 95.0%

Mol Weight: ~460 g/mol

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Halcinonide Impurity 17

Halcinonide Impurity 17

Category: Custom Synthesis

CAS: Not assigned

Formula: Structurally modified corticosteroid

Purity: ≥ 95.0%

Mol Weight: ~440 g/mol

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Halcinonide Impurity 18

Halcinonide Impurity 18

Category: Custom Synthesis

CAS: Not assigned

Formula: Related halcinonide derivative

Purity: ≥ 95.0%

Mol Weight: ~445–470 g/mol

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Ibandronate

Ibandronate

Category: API Impurity

CAS: 114084-78-5

Formula: C₉H₂₃NO₇P₂

Purity: ≥99.0%

Mol Weight: 319.23 g/mol

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Ibandronate EP Impurity A

Ibandronate EP Impurity A

Category: Reference Standard

CAS: 625120-81-2

Formula: C₉H₁₉NO₂·HCl

Purity: ≥95.0%

Mol Weight: ~209.71 g/mol

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Ibandronate Impurity 1

Ibandronate Impurity 1

Category: Reference Standard

CAS: 919491-64-8

Formula: C₉H₁₈N₂

Purity: ≥90–98%

Mol Weight: ~154.3 g/mol

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Ibandronate Impurity 11

Ibandronate Impurity 11

Category: Custom Synthesis

CAS: Not assigned

Formula: C₁₅H₃₂N₂O

Purity: ≥90%

Mol Weight: ~256.4 g/mol

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Ibandronate Impurity 2

Ibandronate Impurity 2

Category: Reference Standard

CAS: 76257-73-3

Formula: C₁₁H₂₅N

Purity: ≥95.0%

Mol Weight: ~171.3 g/mol

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Ibandronate Impurity 3

Ibandronate Impurity 3

Category: Reference Standard

CAS: 2271411-87-9

Formula: C₉H₁₉NO₈P₂·4Na

Purity: ≥95%

Mol Weight: ~423.16 g/mol

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Ibandronate Impurity 4

Ibandronate Impurity 4

Category: Reference Standard

CAS: 1797984-36-1

Formula: C₉H₂₂NO₇P₂·Na

Purity: ≥95%

Mol Weight: ~341 g/mol

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Ibandronate Impurity 5

Ibandronate Impurity 5

Category: Custom Synthesis

CAS: Not assigned

Formula: C₉H₂₃NO₇P₂

Purity: ≥90–98%

Mol Weight: ~319.23 g/mol

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Jacobine N-Oxide

Jacobine N-Oxide

Category: Reference Standard

CAS: 6609-80-7

Formula: C₁₈H₂₅NO₆

Purity: ≥95%

Mol Weight: ~355.39 g/mol

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Josamycin

Josamycin

Category: API Impurity

CAS: 16846-24-5

Formula: C₄₂H₆₉NO₁₅

Purity: ≥98.5%

Mol Weight: ~827.00 g/mol

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Josamycin EP Impurity A

Josamycin EP Impurity A

Category: Reference Standard

CAS:

Formula:

Purity:

Mol Weight:

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Josamycin EP Impurity B

Josamycin EP Impurity B

Category: Reference Standard

CAS: Not assigned

Formula: C₄₂H₆₉NO₁₆

Purity: ≥90%

Mol Weight: ~843 g/mol

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Kaempferol

Kaempferol

Category: Reference Standard

CAS: 520-18-3

Formula: C₁₅H₁₀O₆

Purity: ≥98%

Mol Weight: 286.24 g/mol

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Kaempferol 3-O-Galactoside (Trifolin)

Kaempferol 3-O-Galactoside (Trifolin)

Category: Reference Standard

CAS: 22787-18-6

Formula: C₂₁H₂₀O₁₁

Purity: ≥95%

Mol Weight: 448.38 g/mol

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Kaempferol-3-Glucuronide

Kaempferol-3-Glucuronide

Category: Reference Standard

CAS: 22688-79-5

Formula: C₂₁H₁₈O₁₂

Purity: ≥95%

Mol Weight: 462.36 g/mol

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Kaempferol-3-O-(6-Malonyl-Glucoside)

Kaempferol-3-O-(6-Malonyl-Glucoside)

Category: Custom Synthesis

CAS: Not assigned

Formula: C₂₄H₂₂O₁₄

Purity: ≥90%

Mol Weight: ~534.43 g/mol

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Kaempferol-3-O-(6”-O-p-Coumaroyl) Glucoside

Kaempferol-3-O-(6”-O-p-Coumaroyl) Glucoside

Category: Custom Synthesis

CAS: Not assigned

Formula: C₃₀H₂₆O₁₃

Purity: ≥90%

Mol Weight: ~594.52 g/mol

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Kaempferol-3-O-β-Rutinoside (Nicotiflorin)

Kaempferol-3-O-β-Rutinoside (Nicotiflorin)

Category: Reference Standard

CAS: 17650-84-9

Formula: C₂₇H₃₀O₁₅

Purity: ≥95%

Mol Weight: 594.52 g/mol

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Kanamycin Sulfate

Kanamycin Sulfate

Category: API Impurity

CAS: 25389-94-0

Formula: (C₁₈H₃₆N₄O₁₁)₂·H₂SO₄

Purity: ≥98.0%

Mol Weight: ~582.6 g/mol

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Kanosamine Hydrobromide

Kanosamine Hydrobromide

Category: Custom Synthesis

CAS: 32193-67-6

Formula: C₆H₁₃NO₅·HBr

Purity: ≥98%

Mol Weight: ~259.06 g/mol

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Kanosamine Hydrochloride

Kanosamine Hydrochloride

Category: Custom Synthesis

CAS: 32193-66-5

Formula: C₆H₁₃NO₅·HCl

Purity: ≥98%

Mol Weight: ~214.65 g/mol

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L-(+)-Arabinose

L-(+)-Arabinose

Category: Reference Standard

CAS: 5328-37-0

Formula: C₅H₁₀O₅

Purity: ≥99%

Mol Weight: 150.13 g/mol

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L-(+)-Rhamnose

L-(+)-Rhamnose

Category: Reference Standard

CAS: 3615-41-6

Formula: C₆H₁₂O₅

Purity: ≥98%

Mol Weight: 164.16 g/mol

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L-2-Aminobutyric Acid

L-2-Aminobutyric Acid

Category: API Impurity

CAS: 1492-24-6

Formula: C₄H₉NO₂

Purity: ≥99%

Mol Weight: 103.12 g/mol

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L-2-Nitrophenylalanine

L-2-Nitrophenylalanine

Category: Custom Synthesis

CAS: 19883-75-1

Formula: C₉H₁₀N₂O₄

Purity: ≥95–98%

Mol Weight: 210.19 g/mol

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L-3-Nitrophenylalanine

L-3-Nitrophenylalanine

Category: Custom Synthesis

CAS: 19883-74-0

Formula: C₉H₁₀N₂O₄

Purity: ≥95–98%

Mol Weight: 210.19 g/mol

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L-Glutamic Acid 5-Methyl Ester

L-Glutamic Acid 5-Methyl Ester

Category: Custom Synthesis

CAS: 1499-55-4

Formula: C₆H₁₁NO₄

Purity: ≥98%

Mol Weight: 161.16 g/mol

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L-Glutamic Acid α-Methyl Ester

L-Glutamic Acid α-Methyl Ester

Category: Custom Synthesis

CAS: 6384-08-3

Formula: C₆H₁₁NO₄

Purity: ≥98%

Mol Weight: 161.16 g/mol

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L-Glutamic Acid γ-Ethyl Ester

L-Glutamic Acid γ-Ethyl Ester

Category: Custom Synthesis

CAS: 15673-89-1 (commonly cited)

Formula: C₇H₁₃NO₄

Purity: ≥95–98%

Mol Weight: 175.18 g/mol

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m-Chlorobenzoic Acid

m-Chlorobenzoic Acid

Category: Custom Synthesis

CAS: 535-80-8

Formula: C₇H₅ClO₂

Purity: ≥99%

Mol Weight: 156.57 g/mol

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m-Chlorophenylpiperazine-d8

m-Chlorophenylpiperazine-d8

Category: Reference Standard

CAS: Not assigned

Formula: C₁₀H₅ClD₈N₂

Purity: ≥98%

Mol Weight: ~204.7 g/mol

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m-Erlotinib Nitro Compound

m-Erlotinib Nitro Compound

Category: Custom Synthesis

CAS: Not assigned

Formula: Approx. C₂₂H₂₂N₄O₄

Purity: ≥95%

Mol Weight: ~406–420 g/mol (structure-dependent)

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m-Isobutyl Ibuprofen-d3

m-Isobutyl Ibuprofen-d3

Category: Custom Synthesis

CAS: Not assigned

Formula: C₁₃H₁₅D₃O₂

Purity: ≥98% (chemical), ≥98% D

Mol Weight: ~209.31 g/mol

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m-Methyl Piperazine Derivative of Moxifloxacin

m-Methyl Piperazine Derivative of Moxifloxacin

Category: Custom Synthesis

CAS: Not assigned

Formula: Approx. C₂₂H₂₆FN₅O₅ (structure-dependent)

Purity: ≥95%

Mol Weight: ~463–480 g/mol

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m-Nitrophenol (3-Nitrophenol)

m-Nitrophenol (3-Nitrophenol)

Category: Reference Standard

CAS: 554-84-7

Formula: C₆H₅NO₃

Purity: ≥99%

Mol Weight: 139.11 g/mol

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m-Xylene

m-Xylene

Category: Custom Synthesis

CAS: 108-38-3

Formula: C₈H₁₀

Purity: ≥99%

Mol Weight: 106.17 g/mol

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M30-Dabrafenib

M30-Dabrafenib

Category: Reference Standard

CAS: Not assigned

Formula: Approx. C₂₃H₂₀F₃N₅O₂S (predicted)

Purity: ≥95%

Mol Weight: ~505–520 g/mol

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M31-Dabrafenib

M31-Dabrafenib

Category: Reference Standard

CAS: Not assigned

Formula: Approx. C₂₂H₁₈F₃N₅O₂S (predicted)

Purity: ≥95%

Mol Weight: ~490–510 g/mol

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N-(1-Benzylpiperidin-4-yl)-N-phenylnitrous amide

N-(1-Benzylpiperidin-4-yl)-N-phenylnitrous amide

Category: Reference Standard

CAS: Not assigned

Formula: C₁₈H₂₁N₃O

Purity: ≥98%

Mol Weight: ~295.38 g/mol

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N-(1-Cyanocyclopentyl)pentanamide

N-(1-Cyanocyclopentyl)pentanamide

Category: Custom Synthesis

CAS: Not assigned

Formula: C₁₁H₁₈N₂O

Purity: ≥98%

Mol Weight: 198.27 g/mol

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N-Butyl Dapagliflozin Impurity

N-Butyl Dapagliflozin Impurity

Category: Custom Synthesis

CAS: Not assigned

Formula: Approx. C₂₅H₃₄ClO₆ (alkyl-substituted analogue)

Purity: ≥95%

Mol Weight: ~472–490 g/mol

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N-Nitroso Cefixime EP Impurity A

N-Nitroso Cefixime EP Impurity A

Category: Reference Standard

CAS: Not assigned

Formula: Approx. C₁₆H₁₅N₇O₇S₂ (structure-dependent)

Purity: ≥95%

Mol Weight: ~485–505 g/mol

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N-Nitroso Cefixime EP Impurity B

N-Nitroso Cefixime EP Impurity B

Category: Reference Standard

CAS: Not assigned

Formula: Approx. C₁₆H₁₅N₇O₈S₂

Purity: ≥95%

Mol Weight: ~501–520 g/mol

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N-Nitroso Eltrombopag N-Oxide

N-Nitroso Eltrombopag N-Oxide

Category: Reference Standard

CAS: Not assigned

Formula: Approx. C₂₅H₂₁N₅O₆

Purity: ≥95%

Mol Weight: ~491–510 g/mol

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N-Nitroso Metoclopramide

N-Nitroso Metoclopramide

Category: Reference Standard

CAS: Not assigned

Formula: C₁₄H₂₁ClN₄O₃

Purity: ≥98%

Mol Weight: ~328.79 g/mol

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N-Nitroso Momelotinib

N-Nitroso Momelotinib

Category: Reference Standard

CAS: Not assigned

Formula: Approx. C₂₃H₂₆N₆O₄

Purity: ≥95%

Mol Weight: ~454–470 g/mol

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N-Nitroso Momelotinib Acid Impurity

N-Nitroso Momelotinib Acid Impurity

Category: Reference Standard

CAS: Not assigned

Formula: Approx. C₂₂H₂₄N₆O₅

Purity: ≥95%

Mol Weight: ~468–485 g/mol

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N-Nitroso Momelotinib Impurity 7

N-Nitroso Momelotinib Impurity 7

Category: Reference Standard

CAS: Not assigned

Formula: Structure-specific (momelotinib nitroso analogue)

Purity: ≥95%

Mol Weight: ~460–480 g/mol

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O-(3-Hexyl) Dabigatran Ethyl Ester

O-(3-Hexyl) Dabigatran Ethyl Ester

Category: Custom Synthesis

CAS: Not assigned

Formula: Approx. C₃₀H₄₀N₆O₆

Purity: ≥95%

Mol Weight: ~580–610 g/mol

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O-(4-Hydroxy-3-iodophenyl) Levothyroxine

O-(4-Hydroxy-3-iodophenyl) Levothyroxine

Category: Reference Standard

CAS: Not assigned

Formula: Approx. C₁₅H₁₀I₂NO₄

Purity: ≥95%

Mol Weight: ~563–580 g/mol

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O-6-Benzyl Guanine

O-6-Benzyl Guanine

Category: Custom Synthesis

CAS: 15206-55-0 (commonly cited)

Formula: C₁₂H₁₁N₅O

Purity: ≥98%

Mol Weight: 241.25 g/mol

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O-Acetyl Atropine

O-Acetyl Atropine

Category: Custom Synthesis

CAS: Not assigned

Formula: Approx. C₁₉H₂₃NO₅

Purity: ≥95%

Mol Weight: ~345.39 g/mol

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O-Acetyl Cefdinir

O-Acetyl Cefdinir

Category: Custom Synthesis

CAS: Not assigned

Formula: Approx. C₁₆H₁₆N₄O₆S₂

Purity: ≥95%

Mol Weight: ~456–470 g/mol

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O-Acetyl Ritonavir

O-Acetyl Ritonavir

Category: Custom Synthesis

CAS: Not assigned

Formula: Approx. C₃₉H₄₉N₇O₁₄S₂

Purity: ≥95%

Mol Weight: ~890–910 g/mol

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O-Acetyl Scopolamine Hydrobromide

O-Acetyl Scopolamine Hydrobromide

Category: Reference Standard

CAS: Not assigned

Formula: Approx. C₁₉H₂₄BrNO₆

Purity: ≥98%

Mol Weight: ~446.30 g/mol

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O-Acetyl Silodosin

O-Acetyl Silodosin

Category: Reference Standard

CAS: Not assigned

Formula: Approx. C₂₇H₃₂F₃N₃O₆

Purity: ≥95%

Mol Weight: ~551–565 g/mol

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O-Methoxycarbonyl Cefadroxil

O-Methoxycarbonyl Cefadroxil

Category: Custom Synthesis

CAS: Not assigned

Formula: Approx. C₁₇H₁₈N₂O₇S

Purity: ≥95%

Mol Weight: ~398–410 g/mol

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p-Anisic Acid

p-Anisic Acid

Category: API Impurity

CAS: 100-09-4

Formula: C₈H₈O₃

Purity: ~98–99%

Mol Weight: 152.15 g/mol

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p-Anisidine

p-Anisidine

Category: Reference Standard

CAS: 104-94-9

Formula: C₇H₉NO

Purity: Typically ≥95–99% for reagent grade

Mol Weight: 123.16 g/mol

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p-Chloro Modafinil

p-Chloro Modafinil

Category: Reference Standard

CAS: 90280-12-9

Formula: C₁₅H₁₄ClNO₂S

Purity: ≥98%

Mol Weight: ~307.8 g/mol

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p-Chlorobenzoic Acid Anhydride

p-Chlorobenzoic Acid Anhydride

Category: Custom Synthesis

CAS: Not assigned

Formula: Typically C₁₄H₈Cl₂O₃ (general empirical for anhydride form of p-chlorobenzoic acid) (inference — str

Purity: ≥95%

Mol Weight: ~280–300 g/mol

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p-Chlorobenzoyl Decitabine Alfa

p-Chlorobenzoyl Decitabine Alfa

Category: Reference Standard

CAS: Not assigned

Formula: C₁₅H₁₅ClN₄O₅

Purity: Typically provided with certificate of analysis (r

Mol Weight: ~366.8 g/mol

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p-Chlorobenzoyl Decitabine Beta

p-Chlorobenzoyl Decitabine Beta

Category: Custom Synthesis

CAS: ~1442660-66-3 (per database)

Formula: C₁₅H₁₅ClN₄O₅

Purity: Typically high (reference grade).

Mol Weight: ~366.8 g/mol

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p-Diisopropylbenzene Dihydroperoxide

p-Diisopropylbenzene Dihydroperoxide

Category: Reference Standard

CAS: 3159-98-6

Formula: C₁₂H₁₈O₄

Purity: Typically research/analytical grade (~≥95–98%).

Mol Weight: 226.3 g/mol

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P-Hydroxyatropine

P-Hydroxyatropine

Category: Reference Standard

CAS: 21642-86-4

Formula: C₁₇H₂₃NO₄

Purity: Typical reference/intermediate grade.

Mol Weight: ~305.37 g/mol

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p-Hydroxyphenylglycine Methyl Ester

p-Hydroxyphenylglycine Methyl Ester

Category: Reference Standard

CAS: 26531-82-8

Formula: C₉H₁₁NO₃

Purity: Typically high (reference/research grade).

Mol Weight: 181.19 g/mol

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Quensyl-1-acetate-d₃

Quensyl-1-acetate-d₃

Category: Custom Synthesis

CAS: Not assigned

Formula: C₂₀H₂₅D₃ClN₃O₂

Purity: ≥98%

Mol Weight: ~380.9 g/mol

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Quercetin

Quercetin

Category: API Impurity

CAS: 117-39-5

Formula: C₁₅H₁₀O₇

Purity: ≥90–95%

Mol Weight: 302.24 g/mol

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Quercetin Dihydrate

Quercetin Dihydrate

Category: API Impurity

CAS: 6151-25-3

Formula: C₁₅H₁₀O₇·2H₂O

Purity: Typically 98–99% (lab grade)

Mol Weight: ~338.27 g/mol

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Quercetin D₃

Quercetin D₃

Category: Custom Synthesis

CAS: 263711-79-1

Formula: C₁₅H₇D₃O₇

Purity: Typically high (reference grade)

Mol Weight: ~305.3 g/mol

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Quetiapine

Quetiapine

Category: API Impurity

CAS: 111974-69-7

Formula: C₂₁H₂₅N₃O₂S

Purity: ≥99%

Mol Weight: ~383.5 g/mol

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Quetiapine 11-Chloro Impurity

Quetiapine 11-Chloro Impurity

Category: Reference Standard

CAS: 13745-86-3

Formula: C₁₃H₈ClNS

Purity: ≥95–98%

Mol Weight: ~245.73 g/mol

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Quetiapine 7-Hydroxy Impurity

Quetiapine 7-Hydroxy Impurity

Category: Reference Standard

CAS: 329216-67-3

Formula: C₁₉H₂₁N₃OS

Purity: Typically ≥97% (HPLC)

Mol Weight: ~339.45 g/mol

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Quetiapine 7-Hydroxy Sulfoxide

Quetiapine 7-Hydroxy Sulfoxide

Category: Reference Standard

CAS: 1185170-04-0

Formula: C₂₁H₂₅N₃O₃S

Purity: ≥95%

Mol Weight: ~399.51 g/mol

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Quetiapine Carboxylate Impurity

Quetiapine Carboxylate Impurity

Category: Reference Standard

CAS: Not assigned

Formula: C₂₁H₂₃N₃O₃S

Purity: ≥95%

Mol Weight: ~377–385 g/mol

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R Isomer of Saxagliptin Amide

R Isomer of Saxagliptin Amide

Category: Reference Standard

CAS: 1133811-49-0

Formula: C₆H₁₀N₂O

Purity: ≥95%

Mol Weight: 126.2 g/mol

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R-(+)-Nicotine

R-(+)-Nicotine

Category: Custom Synthesis

CAS: 25162-00-9 (R-nicotine)

Formula: C₁₀H₁₄N₂

Purity: ≥98% typical

Mol Weight: 162.2 g/mol

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R-(-)-5′-Methoxylaudanosine (-) Dibenzoyltartrate

R-(-)-5′-Methoxylaudanosine (-) Dibenzoyltartrate

Category: Custom Synthesis

CAS: 104832-01-1

Formula: Combined salts: C₂₂H₂₉NO₅ : C₁₈H₁₄O₈ (base + tartrate)

Purity: ≥98%

Mol Weight: ~387.5 g/mol (base)

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R-(-)-Manidipine

R-(-)-Manidipine

Category: API Impurity

CAS: 126372-04-1

Formula: C₃₅H₄₀Cl₂N₄O₆ (HCl salt)

Purity: ≥98%

Mol Weight: ~657.6 g/mol (salt)

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R-(-)-Norapomorphine Hydrochloride

R-(-)-Norapomorphine Hydrochloride

Category: Custom Synthesis

CAS: 478-76-2

Formula: C₁₆H₁₇NO₂·HCl* (approx. HCl salt form)

Purity: ≥97%

Mol Weight: ~279.8 g/mol (HCl salt)

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R-Amisulpride

R-Amisulpride

Category: Custom Synthesis

CAS: 71675-90-6

Formula: C₁₇H₂₇N₃O₄S

Purity: ≥98%

Mol Weight: ~369.5 g/mol

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R-Amlodipine D₄

R-Amlodipine D₄

Category: Custom Synthesis

CAS: Not assigned

Formula: C₂₀H₂₁D₄ClN₂O₅

Purity: ≥98%

Mol Weight: ~340.4 g/mol

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R-Chlorpheniramine Maleate

R-Chlorpheniramine Maleate

Category: API Impurity

CAS: 115-75-3

Formula: C₁₆H₁₉ClN₂·C₄H₄O₄

Purity: ≥98%

Mol Weight: ~296.8 g/mol

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R-Cyclophosphamide

R-Cyclophosphamide

Category: Reference Standard

CAS: 2566442-37-1

Formula: C₇H₁₅Cl₂N₂O₂P

Purity: ≥95%

Mol Weight: ~261.1 g/mol

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R-Doxazosin D₈

R-Doxazosin D₈

Category: Custom Synthesis

CAS: Not assigned

Formula: C₂₃H₂₀D₈N₅O₅

Purity: ≥98%

Mol Weight: ~454–462 g/mol

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S-(+)-Manidipine D₄

S-(+)-Manidipine D₄

Category: Custom Synthesis

CAS: Not assigned

Formula: C₃₅H₃₆D₄N₄O₆·2HCl

Purity: ≥98%

Mol Weight: ~686 g/mol

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S-(Thiazol-2-yl)-L-cysteine

S-(Thiazol-2-yl)-L-cysteine

Category: Reference Standard

CAS: 100517-65-5

Formula: C₆H₈N₂O₂S₂

Purity: Typically ≥97–98%

Mol Weight: ~208.3 g/mol

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S-(–)-Etomidate

S-(–)-Etomidate

Category: API Impurity

CAS: 33125-97-2

Formula: C₁₄H₁₆N₂O₂

Purity: ≥98–99%

Mol Weight: 244.29 g/mol

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S-Acetyl-L-Glutathione

S-Acetyl-L-Glutathione

Category: API Impurity

CAS: 3054-47-5

Formula: C₁₂H₁₉N₃O₇S

Purity: ≥98%

Mol Weight: 349.36 g/mol

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S-Adenosyl-L-Methionine (Tosylate Salt)

S-Adenosyl-L-Methionine (Tosylate Salt)

Category: API Impurity

CAS: 29908-03-0

Formula: C₁₅H₂₂N₆O₅S·C₇H₈O₃S

Purity: ≥98%

Mol Weight: ~558.6 g/mol

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S-Adenosyl-L-Methionine D₃

S-Adenosyl-L-Methionine D₃

Category: Custom Synthesis

CAS: Not assigned

Formula: C₁₅H₁₉D₃N₆O₅S

Purity: ≥98% chemical purity; ≥98% isotopic enrichment

Mol Weight: ~401.4 g/mol

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S-Baclofen Hydrochloride

S-Baclofen Hydrochloride

Category: API Impurity

CAS: 17540-93-9

Formula: C₁₀H₁₂ClNO₂·HCl

Purity: ≥99.0%

Mol Weight: ~250.1 g/mol

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T4-Acetamide

T4-Acetamide

Category: Reference Standard

CAS: 3586-34-5

Formula: C₂H₅NO

Purity: ≥98%

Mol Weight: 59.07 g/mol

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T4-Formic Acid N-Methylamide (N-Methylformamide)

T4-Formic Acid N-Methylamide (N-Methylformamide)

Category: Reference Standard

CAS: 123-39-7

Formula: C₂H₅NO

Purity: ≥99.0%

Mol Weight: 59.07 g/mol

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Tacrolimus

Tacrolimus

Category: API Impurity

CAS: 104987-11-3

Formula: C₄₄H₆₉NO₁₂

Purity: ≥98–99%

Mol Weight: 804.02 g/mol

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Tacrolimus 21-Carboxylic Acid Impurity (USP)

Tacrolimus 21-Carboxylic Acid Impurity (USP)

Category: Reference Standard

CAS: Not assigned

Formula: C₄₄H₆₇NO₁₃

Purity: As per USP reference standard specifications

Mol Weight: ~819.99 g/mol

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Tacrolimus 21-Carboxylic Acid Nitroso Impurity

Tacrolimus 21-Carboxylic Acid Nitroso Impurity

Category: Reference Standard

CAS: Not assigned

Formula: Approx. C₄₄H₆₆N₂O₁₄

Purity: ≥95%

Mol Weight: ~850 g/mol

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Tacrolimus C4-Epimer Diene

Tacrolimus C4-Epimer Diene

Category: Reference Standard

CAS: Not assigned

Formula: C₄₄H₆₇NO₁₂

Purity: ≥95%

Mol Weight: ~802 g/mol

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Tacrolimus Dehydro Impurity

Tacrolimus Dehydro Impurity

Category: Reference Standard

CAS: Not assigned

Formula: C₄₄H₆₇NO₁₁

Purity: ≥95%

Mol Weight: ~786 g/mol

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Tacrolimus Delta Lactone

Tacrolimus Delta Lactone

Category: Reference Standard

CAS: Not assigned

Formula: C₄₄H₆₇NO₁₁

Purity: ≥95%

Mol Weight: ~786 g/mol

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Tacrolimus EP Impurity A

Tacrolimus EP Impurity A

Category: Reference Standard

CAS: Not assigned

Formula: As defined in European Pharmacopoeia (related macrolide impurity)

Purity: As per EP reference standard requirements

Mol Weight: Approximately 786–820 g/mol

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Tacrolimus EP Impurity B

Tacrolimus EP Impurity B

Category: Reference Standard

CAS: Not assigned

Formula: As defined in European Pharmacopoeia

Purity: As per EP reference standard

Mol Weight: Approximately 800 g/mol

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Ubidecarenone

Ubidecarenone

Category: API Impurity

CAS: 303-98-0

Formula: C₅₉H₉₀O₄

Purity: ≥98–99%

Mol Weight: 863.36 g/mol

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Ubidecarenone 5-Demethoxy Coenzyme Q10

Ubidecarenone 5-Demethoxy Coenzyme Q10

Category: Reference Standard

CAS: Not assigned

Formula: C₅₈H₈₈O₄

Purity: ≥95–98%

Mol Weight: ~849.34 g/mol

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Ubidecarenone EP Impurity A

Ubidecarenone EP Impurity A

Category: Reference Standard

CAS: Not assigned

Formula: As defined in the European Pharmacopoeia (structurally related quinone derivative)

Purity: As per EP reference standard specification

Mol Weight: ~840–880 g/mol

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Ubidecarenone EP Impurity B

Ubidecarenone EP Impurity B

Category: Reference Standard

CAS: Not assigned

Formula: As defined in EP

Purity: As per EP requirements

Mol Weight: ~860 g/mol (approximate)

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Ubidecarenone EP Impurity C

Ubidecarenone EP Impurity C

Category: Reference Standard

CAS: Not assigned

Formula: As per EP monograph

Purity: EP reference standard grade

Mol Weight: ~840–870 g/mol

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Ubidecarenone EP Impurity D

Ubidecarenone EP Impurity D

Category: Reference Standard

CAS: Not assigned

Formula: As defined by EP

Purity: As per EP CRS

Mol Weight: ~860–890 g/mol

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Ubidecarenone EP Impurity E

Ubidecarenone EP Impurity E

Category: Reference Standard

CAS: Not assigned

Formula: As per EP

Purity: EP reference standard

Mol Weight: ~850 g/mol

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Ubidecarenone EP Impurity F

Ubidecarenone EP Impurity F

Category: Reference Standard

CAS: Not assigned

Formula: As per EP monograph

Purity: EP reference standard

Mol Weight: ~840–880 g/mol

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Ubidecarenone Impurity 1

Ubidecarenone Impurity 1

Category: Reference Standard

CAS: Not assigned

Formula: Closely related to CoQ10 (quinone derivative)

Purity: Typically ≥95% (reference grade)

Mol Weight: ~850–880 g/mol (approximate)

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Vaborbactam

Vaborbactam

Category: API Impurity

CAS: 1350466-52-0

Formula: C₁₂H₁₆BNO₆S

Purity: ≥98–99%

Mol Weight: ~297.13 g/mol

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Vaborbactam Enantiomer

Vaborbactam Enantiomer

Category: Reference Standard

CAS: Not assigned

Formula: C₁₂H₁₆BNO₆S

Purity: Typically ≥97–98%

Mol Weight: ~297.13 g/mol

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Vaborbactam Impurity 1

Vaborbactam Impurity 1

Category: Reference Standard

CAS: Not assigned

Formula: Closely related to vaborbactam (process-related derivative)

Purity: ≥95% (reference grade)

Mol Weight: ~280–310 g/mol (approximate)

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Vaborbactam Impurity 10

Vaborbactam Impurity 10

Category: Reference Standard

CAS: Not assigned

Formula: Vaborbactam-related boronic acid derivative

Purity: ≥95%

Mol Weight: ~290–320 g/mol

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Vaborbactam Impurity 11

Vaborbactam Impurity 11

Category: Reference Standard

CAS: Not assigned

Formula: Structurally related vaborbactam analogue

Purity: ≥95%

Mol Weight: ~300 g/mol

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Vaborbactam Impurity 12

Vaborbactam Impurity 12

Category: Reference Standard

CAS: Not assigned

Formula: Vaborbactam-related compound

Purity: ≥95%

Mol Weight: ~290–310 g/mol

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Vaborbactam Impurity 13

Vaborbactam Impurity 13

Category: Reference Standard

CAS: Not assigned

Formula: Boronic acid–containing analogue of vaborbactam

Purity: ≥95%

Mol Weight: ~295 g/mol (approximate)

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Vaborbactam Impurity 14

Vaborbactam Impurity 14

Category: Reference Standard

CAS: Not assigned

Formula: Vaborbactam-related structure

Purity: ≥95%

Mol Weight: ~300 g/mol

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Vaborbactam Impurity 15

Vaborbactam Impurity 15

Category: Reference Standard

CAS: Not assigned

Formula: Structurally related boronic acid derivative

Purity: ≥95%

Mol Weight: ~280–320 g/mol (approximate)

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Warfarin

Warfarin

Category: API Impurity

CAS: 81-81-2

Formula: C₁₉H₁₆O₄

Purity: ≥99.0%

Mol Weight: 308.33 g/mol

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Warfarin Alcohol Impurity

Warfarin Alcohol Impurity

Category: Reference Standard

CAS: Not assigned

Formula: C₁₉H₁₈O₄

Purity: ≥95–98%

Mol Weight: ~310.35 g/mol

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Warfarin D₆

Warfarin D₆

Category: Custom Synthesis

CAS: 118969-11-2

Formula: C₁₉H₁₀D₆O₄

Purity: ≥98% chemical purity; ≥98% isotopic enrichment

Mol Weight: ~314.37 g/mol

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Warfarin EP Impurity A

Warfarin EP Impurity A

Category: Reference Standard

CAS: Not assigned

Formula: As defined in European Pharmacopoeia (related coumarin derivative)

Purity: As per EP CRS specification

Mol Weight: ~308–324 g/mol (approximate)

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Warfarin EP Impurity B

Warfarin EP Impurity B

Category: Reference Standard

CAS: Not assigned

Formula: As defined in EP monograph

Purity: As per EP requirements

Mol Weight: ~300–330 g/mol

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Warfarin EP Impurity C

Warfarin EP Impurity C

Category: Reference Standard

CAS: Not assigned

Formula: As defined in EP

Purity: EP reference standard grade

Mol Weight: ~300–330 g/mol

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Warfarin Impurity 1

Warfarin Impurity 1

Category: Reference Standard

CAS: Not assigned

Formula: Warfarin-related coumarin derivative

Purity: ≥95%

Mol Weight: ~300–330 g/mol

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Warfarin R-Isomer

Warfarin R-Isomer

Category: Reference Standard

CAS: 554-57-6

Formula: C₁₉H₁₆O₄

Purity: ≥98–99%

Mol Weight: 308.33 g/mol

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Warfarin S-Isomer

Warfarin S-Isomer

Category: API Impurity

CAS: 554-58-7

Formula: C₁₉H₁₆O₄

Purity: ≥99.0%

Mol Weight: 308.33 g/mol

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Xanomeline

Xanomeline

Category: API Impurity

CAS: 111442-95-2

Formula: C₂₀H₂₄N₂O₂S

Purity: ≥98%

Mol Weight: 360.48 g/mol

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Xanthine

Xanthine

Category: API Impurity

CAS: 68-67-9

Formula: C₅H₄N₄O₂

Purity: ≥99.0%

Mol Weight: 152.11 g/mol

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Xanthinol Nicotinate

Xanthinol Nicotinate

Category: API Impurity

CAS: 86-89-1

Formula: C₁₄H₂₀N₂O₃

Purity: ≥98%

Mol Weight: 260.32 g/mol

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Xanthone

Xanthone

Category: Reference Standard

CAS: 203-96-5

Formula: C₁₃H₈O₂

Purity: ≥98%

Mol Weight: 196.20 g/mol

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Xanthotoxol

Xanthotoxol

Category: Reference Standard

CAS: 484-20-8

Formula: C₁₅H₁₂O₄

Purity: ≥95%

Mol Weight: 252.25 g/mol

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Xanthurenic Acid

Xanthurenic Acid

Category: Reference Standard

CAS: 486-25-9

Formula: C₁₀H₇NO₄

Purity: ≥98%

Mol Weight: 205.16 g/mol

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Xipamide Impurity C

Xipamide Impurity C

Category: Reference Standard

CAS: Not assigned

Formula: Related to C₁₂H₁₃ClN₂O₄S (approximate, v.s. xipamide structure)

Purity: ≥95%

Mol Weight: ~320–340 g/mol (approximate)

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Xylometazoline EP Impurity B

Xylometazoline EP Impurity B

Category: Reference Standard

CAS: Not assigned

Formula: C₁₆H₂₄N₂O (approximate, related derivative)

Purity: As per EP reference standard

Mol Weight: ~252–260 g/mol

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Xylometazoline EP Impurity C

Xylometazoline EP Impurity C

Category: Reference Standard

CAS: Not assigned

Formula: C₁₆H₂₄N₂O (approximate, related derivative)

Purity: EP reference standard

Mol Weight: ~252–260 g/mol

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Yohimbine EP Impurity A

Yohimbine EP Impurity A

Category: Reference Standard

CAS: Not assigned

Formula: As defined in the European Pharmacopoeia (structurally related indole alkaloid derivative of yohimbi

Purity: As per EP reference standard specification

Mol Weight: Approximately 340–360 g/mol (per EP definition)

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Yohimbine EP Impurity B

Yohimbine EP Impurity B

Category: Reference Standard

CAS: Not assigned

Formula: As defined in the EP monograph

Purity: As per EP CRS requirements

Mol Weight: Approximately 350 g/mol

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Yohimbine EP Impurity D

Yohimbine EP Impurity D

Category: Reference Standard

CAS: Not assigned

Formula: As per European Pharmacopoeia definition

Purity: EP reference standard grade

Mol Weight: Approximately 335–360 g/mol

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Yohimbine EP Impurity E

Yohimbine EP Impurity E

Category: Reference Standard

CAS: Not assigned

Formula: As defined in the EP monograph

Purity: As per EP CRS specification

Mol Weight: Approximately 350–365 g/mol

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Z-Benfotiamine

Z-Benfotiamine

Category: Reference Standard

CAS: Not assigned

Formula: C₁₉H₂₃N₄O₆PS

Purity: ≥98%

Mol Weight: ~466.45 g/mol

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Z-Chlorolefine

Z-Chlorolefine

Category: Custom Synthesis

CAS: Not assigned

Formula: Depends on chain length (chloro-substituted cis-olefin)

Purity: ≥95%

Mol Weight: Variable (typically 100–200 g/mol range)

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Z-Cilnidipine

Z-Cilnidipine

Category: Reference Standard

CAS: Not assigned

Formula: C₂₇H₂₈N₂O₇

Purity: ≥98%

Mol Weight: 492.52 g/mol

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Z-D-Phenylglycine (Cbz-D-Phenylglycine)

Z-D-Phenylglycine (Cbz-D-Phenylglycine)

Category: Reference Standard

CAS: Not assigned

Formula: C₁₆H₁₅NO₄

Purity: ≥98%

Mol Weight: ~285.30 g/mol

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Z-Doxepin-D₃ Hydrochloride

Z-Doxepin-D₃ Hydrochloride

Category: Custom Synthesis

CAS: Not assigned

Formula: C₁₉H₁₈D₃NO·HCl

Purity: ≥98% (chemical); ≥98% isotopic enrichment

Mol Weight: ~316.9 g/mol

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Z-Pyrvinium Pamoate

Z-Pyrvinium Pamoate

Category: API Impurity

CAS: 53558-25-1

Formula: C₃₀H₂₄N₂O₆

Purity: ≥98%

Mol Weight: ~508.52 g/mol

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Zafirlukast

Zafirlukast

Category: API Impurity

CAS: 107753-78-6

Formula: C₃₁H₃₃N₃O₆S

Purity: ≥99.0%

Mol Weight: 575.68 g/mol

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Zafirlukast Impurity 1

Zafirlukast Impurity 1

Category: Reference Standard

CAS: Not assigned

Formula: Structurally related to zafirlukast

Purity: ≥95%

Mol Weight: ~550–590 g/mol (approximate)

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Zafirlukast Impurity 3

Zafirlukast Impurity 3

Category: Reference Standard

CAS: Not assigned

Formula: Zafirlukast-related derivative

Purity: ≥95%

Mol Weight: ~560–600 g/mol

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