Methionine (data page)

The complete data for Methionine
	General information Chemical formula: C5H11NO2S Molar mass: 149.21 g·mol^−1 Systematic name: (S)2-amino-4-methylsulfanyl-butanoic acid Abbreviations: M, Met Synonyms: ?
Database data
SMILES: CSCCC(C(=O)O)N InChI=InChI=1/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/f/h7H (L) 1/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/t4-/m0/s1/f/h7H (D) ATC: N/A CAS: 63-68-3 DrugBank: N/A EINECS: 200-562-9^a PubChem: 876 (D) ^a, 6137 (L)^a
Physical properties
Structure Crystal data Spectral data UV-Vis IR NMR MS Phase behavior Solid properties ρsolid: 1.340 g.cm^−3 Tm: 281 °C Liquid properties Gas properties
Hazard properties
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
Chemical properties
XLogP: -2.308 pI: 5.74 pKa: 2.16, 9.08 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

1. ^a 63-68-3 EINECS for L-Methionine
2. ^a CID 876 from PubChem
3. ^a CID 6137 from PubChem