Category:
Regulated Fine Chemicals
CAS NO:
331665-12-4
Standard:
BP,EP,ChP,USP,
L-Homocysteine-d4 is a stable isotopically labeled internal standard for quantitative analysis. It features deuterium substitution at four positions to ensure distinct mass spectrometry detection. The molecular formula is C5H10D4NO2S and CAS number is 196777-86-5. Core synthesis involves catalytic deuteration of L-homocysteine.
Store under inert atmosphere at -20°C to prevent degradation. Handle with appropriate PPE as it may cause skin irritation. Not intended for direct human therapeutic use; strictly for laboratory research applications only.