Methionine

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: 200-562-9a  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 0 0 0 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 PubChem 876
3. ^a PubChem 6137

v · d · eThe 20 common amino acids By properties Aliphatic Branched-chain amino acids (Valine · Isoleucine · Leucine) · Methionine · Alanine · Proline · Glycine Aromatic Phenylalanine · Tyrosine · Tryptophan · Histidine Polar, uncharged Asparagine · Glutamine · Serine · Threonine Positive charge (pKa) Lysine (≈10.8) · Arginine (≈12.5) · Histidine (≈6.1) Negative charge (pKa) Aspartic acid (≈3.9) · Glutamic acid (≈4.1) · Cysteine (≈8.3) · Tyrosine (≈10.1) General Essential amino acid · Protein · Peptide · Genetic code Other classifications Essential amino acids · Ketogenic amino acid · Glucogenic amino acid biochemical families: prot · nucl · carb (glpr, alco, glys) · lipd (fata/i, phld, strd, gllp, eico) · amac/i · ncbs/i · ttpy/i

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