Cysteine (data page)

<tr><td colspan="2" style="background-color: white;">

The complete data for Cysteine
350px File:Hight setter 449px.gifChemical structure of L-cysteine Chemical structure of the amino acid cysteine	General information 400px 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] [1]  DrugBank: N/A  EINECS: 200-158-2  PubChem: 5862
Physical properties</span>

Structure

Crystal data

Spectral data UV-Vis IR NMR MS

Phase behavior	Solid properties Tm: 240 °C </td>	Liquid properties </td>	Gas properties </td></tr></table></td></tr>
Hazard properties</td></tr>
MSDS N/A Main hazards: - N/A NFPA 704 Flash point - N/A R/S statement R: N/A S: N/A RTECS number: N/A </td></tr>
Chemical properties</td></tr>
XLogP: -2.988 pI: 5.07 pKa: 1.91; 8.14; 10.28 Tautomers: ? Hydrogen bond: donor - 2;   acceptor - 3; </td></tr>
Pharmacological properties</td></tr>
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)</td></tr></table> References a  [52-90-4] Major families of biochemicals</td></tr> Peptides | Amino acids | Nucleic acids | Carbohydrates | Nucleotide sugars | Lipids | Terpenes | Carotenoids | Tetrapyrroles | Enzyme cofactors | Steroids | Flavonoids | Alkaloids | Polyketides | Glycosides</td></tr> Analogues of nucleic acids:</td> The 20 Common Amino Acids ("dp" = data page)</td> Analogues of nucleic acids:</td></tr> Alanine (dp) | Arginine (dp) | Asparagine (dp) | Aspartic acid (dp) | Cysteine (dp) | Glutamic acid (dp) | Glutamine (dp) | Glycine (dp) | Histidine (dp) | Isoleucine (dp) | Leucine (dp) | Lysine (dp) | Methionine (dp) | Phenylalanine (dp) | Proline (dp) | Serine (dp) | Threonine (dp) | Tryptophan (dp) | Tyrosine (dp) | Valine (dp) ar:سيستين (صفحة بيانات)