Basic

CAS No.	52-90-4;4371-52-2
Product Name	L(+)-Cysteine
Synonyms	Cysteine, L-; L-(+)-Cysteine; L-Alanine, 3-mercapto-; L-Cys; NSC 8746; L-Cysteine; (+)-2-Amino-3-mercaptopropionic acid; L-beta-mercaptoalanine; L-Cysteine Free Base Crystalline; (S)-(-)-Cysteine; L-Cysteine Base; H-Cys-OH
Molecular Formula	C3H7NO2S
Molecular Weight	121.15

Physical property

Melting point	220℃
Water solubility	280 g/L (25℃)

Hazard Symbols	Xn:Harmful;
Risk Codes	R22:; R36/37/38:;
Safety Description	S26:; S37/39:;