Category:
Chiral Intermediates
CAS NO:
52-90-4
Standard:
USP,
/
L-Cysteine is a semi-essential sulfur-containing amino acid produced via enzymatic hydrolysis of keratin or microbial fermentation. Its molecular formula is C3H7NO2S and CAS number is 52-89-1.
Store in cool, dry places away from moisture. Avoid inhalation of dust; wear appropriate PPE. High doses may cause nausea or bronchospasm in sensitive individuals.