CAS # 52-90-4 Synonyms: L-Cys-OH(R)-2-Amino-3-mercaptopropionic acid MDL No.: MFCD00064306 Melting Point: 220°C (dec) Molecular Formula: C3H7NO2S Molecular Weight: 121.16 Optical Rotation: [a]D20 = +8.3 to + 9.5º Purity Limit: 99% (Titration: anhydrous basis) Storage Temp: Store…