Custom Synthesis
| CAS Number | Not assigned |
| Formula | C₃₅H₃₆D₄N₄O₆·2HCl |
| Molecular Weight | ~686 g/mol |
| Purity | ≥98% |
| Storage | Store at 2–8 °C; protect from light and moisture |
S-(+)-Manidipine D₄ is a deuterium-labeled form of the active S-enantiomer of manidipine, a dihydropyridine calcium-channel blocker.
Used as an internal standard in LC-MS/MS bioanalytical assays and pharmacokinetic studies.
Verified by LC-MS/MS, chiral HPLC, ¹H/²H NMR, and isotopic distribution analysis.
