Methionine (data page)

The complete data for Methionine ()

General information

Chemical formula: C₅H₁₁N O₂S
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

ρ_solid: 1.340 g.cm⁻³
T_m: 281 °C

Liquid properties

Gas properties

Hazard properties

MSDS

N/A

Main hazards:

- N/A

NFPA 704

Flash point

- N/A

RTECS number:
N/A

Chemical properties

XLogP: -2.308

pI: 5.74

pK_a: 2.16, 9.08

Tautomers:

Hydrogen bond: donor - 2; acceptor - 3

Pharmacological properties

This box:

Except where noted otherwise, data relate to Standard temperature and pressure.
Reliability of data general note.

References

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