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Home> CAS DataBase Listed 5 > CAS 52-90-4;4371-52-2
Identification of 52-90-4;4371-52-2
  • Name:
  • L(+)-Cysteine (Related Reference)
  • EINECS:
  • 200-158-2
  • Synonyms:
  • Cysteine,L- (8CI); (R)-2-Amino-3-mercaptopropanoic acid; (R)-Cysteine; 2-Amino-3-mercaptopropionic acid; Cystein; Cysteine; L-(+)-Cysteine; L-Alanine, 3-mercapto-; L-Cys; NSC 8746; Propanoic acid, 2-amino-3-mercapto-,(R)-; Thioserine; b-Mercaptoalanine; L-Cysteine; (+)-2-Amino-3-mercaptopropionic acid; 2-Amino-3-mercaptopropanoic acid; L-beta-mercaptoalanine; L-CYSTEINE FREE BASE CRYSTALLINE; (S)-(-)-Cysteine; L-Cysteine Base
  • InChI:
  • InChI=1/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1
  • This structure is also available as a 2d Mol file
Safety Data of 52-90-4;4371-52-2 Properties of 52-90-4;4371-52-2
  • Appearance:
  • white crystalline powder
  • Molecular Weight:
  • 121.15
  • Density:
  • 1.334 g/cm3
  • Boiling Point:
  • 293.9 °C at 760 mmHg
  • Melting Point:
  • 220℃
  • Flash Point:
  • 131.5°C
  • Solubility:
  • Freely sol in alcohol, acetic acid, ammonia water; insol in ether, acetone, ethyl acetate, benzene, carbon disulfide, carbon tetrachloride
    Solubility (per g/100 g H2O): 28 g/100 ml of soln at 25 deg C; 16 g/100 ml of soln at 20 deg C
  • More>>

CAS No. 52-90-4;4371-52-2 (L(+)-Cysteine )

  • CAS No:52-90-4;4371-52-2
  • Molecular Weight: 121.15
  • Molecular Formula: C3H7NO2S
Properties Safety and Handling
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