L-Threonine
L-Threonine is an organic compound with the molecular formula C4H9NO3.
- Formula
- C4H9NO3
- Functional group
- Amino acids
- Molar mass
- 119.12 g/mol
- Also known as
- (2S,3R)-2-amino-3-hydroxybutanoic acid, threonine, Threonin, L-(-)-Threonine, (S)-Threonine, 2-amino-3-hydroxybutyric acid
Overview
L-Threonine is an organic compound with the molecular formula C4H9NO3.
Identifiers
- Formula
- C4H9NO3
- Functional group
- Amino acids
- Molar mass
- 119.12 g/mol
- Also known as
- (2S,3R)-2-amino-3-hydroxybutanoic acid, threonine, Threonin, L-(-)-Threonine, (S)-Threonine, 2-amino-3-hydroxybutyric acid
Chemical identifiers
- SMILES
- C[C@H]([C@@H](C(=O)O)N)O
- InChI
- InChI=1S/C4H9NO3/c1-2(6)3(5)4(7)8/h2-3,6H,5H2,1H3,(H,7,8)/t2-,3+/m1/s1
- PubChem CID
- 6288
Properties
- Melting / decomposition
- 256 °C (decomposes)
- Water solubility
- In water, 9.70X10+4 mg/L at 25 °C
Data availability
Not published: Boiling Point, Density.
Related compounds
- Amino acids
L-Threonine is an organic compound with the molecular formula C4H9NO3.
References
- PubChem Compound Summary: L-Threonine (CID 6288)National Center for Biotechnology Information · PubChem
Identity, molecular formula, molecular weight and aliases retrieved via PUG REST on 2026-09-08.
- Hazardous Substances Data Bank (HSDB): L-Threonine — melting pointHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/6288#section=Melting-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Lide, D.R. CRC Handbook of Chemistry and Physics 88TH Edition 2007-2008. CRC Press, Taylor & Francis, Boca Raton, FL 2007, p. 3-486
- Hazardous Substances Data Bank (HSDB): L-Threonine — solubilityHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/6288#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Yalkowsky, S.H., He, Yan., Handbook of Aqueous Solubility Data: An Extensive Compilation of Aqueous Solubility Data for Organic Compounds Extracted from the AQUASOL dATAbASE. CRC Press LLC, Boca Raton, FL. 2003., p. 124