L-Threonine
CAS Registry Number®
72-19-5
CAS Name
L-ThreonineMolecular Formula
C4H9NO3Molecular Mass
119.12Cite 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 ) (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)
- (1) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)
- (2) Zhang, Jing; Journal of Chemical Thermodynamics, (2017), 111, 52-64, CAplus
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