l-Methionine

CAS Registry Number®

63-68-3

CAS Name

l-Methionine

Molecular Formula

C5H11NO2S

Molecular Mass

149.21

Cite this Page

l-Methionine.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=7005-18-7 (retrieved 2024-12-22) (CAS RN: 63-68-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    123-126 °C @ Press: 15 Torr

  • Melting Point (2)

    280-282 °C (decomp)

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/t4-/m0/s1

InChIKey

InChIKey=FFEARJCKVFRZRR-BYPYZUCNSA-N

SMILES

[C@@H](C(O)=O)(CCSC)N

Canonical SMILES

O=C(O)C(N)CCSC

Other Names for this Substance

  • L-Methionine
  • Methionine, L-
  • Cymethion
  • Methionine
  • Butanoic acid, 2-amino-4-(methylthio)-, (S)-

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Deleted or Replaced CAS Registry Numbers

7005-18-7, 24425-78-3, 1437749-32-0, 1437749-60-4, 1437749-65-9, 1437749-75-1, 1437749-80-8, 1437769-00-0, 1437870-94-4, 1437870-95-5, 1437870-97-7, 1437870-98-8, 1437871-20-9, 1463481-01-7, 1463481-06-2, 1463481-15-3, 1463481-19-7, 1463481-23-3, 1463481-27-7, 1463481-31-3, 1463481-37-9, 1463481-41-5, 1463481-46-0, 1463481-51-7, 1463481-58-4, 1463481-73-3, 1463481-80-2, 1463481-89-1, 1463610-75-4, 1463610-76-5, 1466415-57-5

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