Cysteine (data page)

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The complete data for Cysteine
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Chemical structure of L-cysteine Chemical structure of the amino acid cysteine
General information
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Chemical formula: C3H7NO2S 
Molar mass: 121.16 g·mol-1
Systematic name:
(2R)-2-amino-3-sulfanyl-propanoic acid
Abbreviations: C, Cys
Synonyms:
2-amino-3-mercaptopropanoic acid
2-amino-3-mercaptopropionic acid
2-amino-3-sulfanylpropanoic acid
3-mercaptoalanine
AIDS{-}160777
CHEBI:15356
CHEMBANK2703
NSC 63864
NSC647530
NSC8746
Zystein
Database data
SMILES: SCC(N)C(=O)O
InChI=1/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/f/h5H
 ATC: N/A  CAS: [52-90-4] a  DrugBank: N/A  EINECS: 200-158-2  PubChem: 5862
Physical properties
Structure
Crystal data
Spectral data
UV-Vis
IR
NMR
MS
Phase behavior
Solid properties
Tm: 240 °C
Liquid properties
Gas properties
Hazard properties
MSDS N/A Main hazards:
- N/A
NFPA 704
Flammability (red): no hazard code Health (blue): no hazard code Reactivity (yellow): no hazard code Special hazards (white): no codeNFPA 704 four-colored diamond
Flash point
- N/A
R/S statement
R: N/A
S: N/A
RTECS number:
N/A
Chemical properties
XLogP: -2.988 pI: 5.07 pKa: 1.91; 8.14; 10.28 Tautomers: Hydrogen bond: donor - 2;  acceptor - 3
Pharmacological properties
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)


References[edit]

  1. ^a 52-90-4