L-Threonine

CAS Registry Number®

72-19-5

CAS Name

L-Threonine

Molecular Formula

C4H9NO3

Molecular Mass

119.12

Cite this Page

L-Threonine.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=72-19-5 (retrieved 2024-10-08) (CAS RN: 72-19-5).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    256 °C (decomp)
  • Density (2)

    1.499 g/cm³ (solid)

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C4H9NO3/c1-2(6)3(5)4(7)8/h2-3,6H,5H2,1H3,(H,7,8)/t2-,3+/m1/s1

InChIKey

InChIKey=AYFVYJQAPQTCCC-GBXIJSLDSA-N

SMILES

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

Canonical SMILES

O=C(O)C(N)C(O)C

Other Names for this Substance

  • L-Threonine
  • Threonine, L-
  • Butanoic acid, 2-amino-3-hydroxy-, [R-(R*,S*)]-
  • Threonine
  • Threonin

Deleted or Replaced CAS Registry Numbers

13095-55-1, 25275-17-6, 36676-50-3, 154605-64-8, 154605-68-2, 1043597-96-1, 1370710-06-7, 1644578-86-8

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