Custom Synthesis
| CAS Number | Not assigned |
| Formula | C₁₅H₁₉D₃N₆O₅S |
| Molecular Weight | ~401.4 g/mol |
| Purity | ≥98% chemical purity; ≥98% isotopic enrichment |
| Storage | Store at −20 °C to 2–8 °C; protect from moisture |
Deuterium-labeled analogue of S-adenosyl-L-methionine designed for high-precision quantitative mass-spectrometric analysis.
Used as an internal standard for LC-MS/MS determination of SAMe in biological and pharmaceutical samples.
Confirmed by LC-MS/MS, ¹H/²H NMR, isotopic pattern verification, and HPLC purity analysis.
