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Active Pharmaceutical Ingredients
D-cysteine hydrochloride monohydrate (CAS 32443-99-5) is a chiral amino acid derivative synthesized via enzymatic resolution or asymmetric synthesis. Its molecular formula is C3H8ClNO2S·H2O, serving as a critical building block for pharmaceutical intermediates and specialized peptide synthesis.
Store in a cool, dry place below 25°C away from light. Avoid inhalation of dust; wear appropriate PPE including gloves and eye protection during handling to prevent skin irritation.