Synonyms: L-Cys-OH·HCl·H2O(R)-2-Amino-3-mercaptopropionic acid hydrochloride monohydrate Grade: USP Purity Limit: 99.0-100.5% (Titration: anhydrous basis) CAS No.: 7048-04-6 Molecular Formula: C3H7NO2S·HCl·H2O Molecular Weight: 157.63 MDL No.: MFCD00065606 Optical Rotation: …