Custom Synthesis
| CAS Number | Not assigned |
| Formula | C₁₉H₁₈D₃NO·HCl |
| Molecular Weight | ~316.9 g/mol |
| Purity | ≥98% (chemical); ≥98% isotopic enrichment |
| Storage | Store at 2–8 °C; protect from light |
A deuterium-labeled cis (Z) form of doxepin hydrochloride used for analytical quantification.
Internal standard for LC-MS/MS analysis of doxepin in biological and pharmaceutical samples.
LC-MS/MS, isotopic pattern verification, HPLC purity testing, NMR.
