Category:
Other Specialized Reagents
CAS NO:
52-90-4
Standard:
USP,
L-Cysteine is a semi-essential sulfur-containing amino acid primarily produced via enzymatic hydrolysis of keratin or microbial fermentation. Its molecular formula is C3H7NO2S, with CAS No. 52-90-4.
Store in cool, dry conditions below 25°C to prevent oxidation. Clinical use requires strict dosage control due to potential hypersensitivity reactions.