Category:
Regulated Fine Chemicals
CAS NO:
1331894-57-5
Standard:
BP,EP,ChP,USP,
N-Acetyl-S-(2-hydroxyethyl-d4)-L-cysteine Dicyclohexylamine Salt is a stable isotopically labeled internal standard used in quantitative mass spectrometry. The deuterated structure ensures precise correction for matrix effects during analysis. Molecular Formula: C16H25D4NO4S·C12H22N (approximate). CAS No.: 209789-68-6.
Store under inert atmosphere at -20°C to prevent hydrolysis. Handle with appropriate PPE; avoid inhalation or skin contact as amines may cause irritation. Not intended for direct clinical administration.