≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -20°C,Argon charged Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
L-Threonine methyl ester hydrochloride is used as a feed and food additive.
| Pubchem Sid | 504761219 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504761219 |
| Canonical Smiles | CC(C(C(=O)OC)N)O.Cl |
| IUPAC Name | methyl (2S,3R)-2-amino-3-hydroxybutanoate;hydrochloride |
| InChIKey | OZSJLLVVZFTDEY-HJXLNUONSA-N |
| INCHI | 1S/C5H11NO3.ClH/c1-3(7)4(6)5(8)9-2;/h3-4,7H,6H2,1-2H3;1H/t3-,4+;/m1./s1 |
| Isomeric SMILES | C[C@H]([C@@H](C(=O)OC)N)O.Cl |
| WGK Germany | 3 |
| Molecular Weight | 169.61 |
| Beilstein | 3562717 |
| Reaxy-Rn | 4709710 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=4709710&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organic acids and derivatives |
| Class | Carboxylic acids and derivatives |
| Subclass | Amino acids, peptides, and analogues |
| Intermediate Tree Nodes | Amino acids and derivatives - Alpha amino acids and derivatives |
| Direct Parent | Alpha amino acid esters |
| Alternative Parents | Fatty acid esters Beta hydroxy acids and derivatives Methyl esters Secondary alcohols Monocarboxylic acids and derivatives Organopnictogen compounds Organic oxides Monoalkylamines Hydrochlorides Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Alpha-amino acid ester - Beta-hydroxy acid - Fatty acid ester - Hydroxy acid - Fatty acyl - Methyl ester - Carboxylic acid ester - Secondary alcohol - Monocarboxylic acid or derivatives - Alcohol - Primary amine - Organooxygen compound - Organonitrogen compound - Hydrochloride - Primary aliphatic amine - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Carbonyl group - Organic oxygen compound - Amine - Organic nitrogen compound - Aliphatic acyclic compound |
| Description | This compound belongs to the class of organic compounds known as alpha amino acid esters. These are ester derivatives of alpha amino acids. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 C1829171 | Certificate of Analysis | Oct 14, 2025 | T117005 |
| E2608029 | Certificate of Analysis | Jun 18, 2024 | T117005 |
| G2419385 | Certificate of Analysis | Jun 18, 2024 | T117005 |
| G2419390 | Certificate of Analysis | Jun 18, 2024 | T117005 |
| G2419391 | Certificate of Analysis | Jun 18, 2024 | T117005 |
| G2419392 | Certificate of Analysis | Jun 18, 2024 | T117005 |
| J2516009 | Certificate of Analysis | Jun 18, 2024 | T117005 |
| L1804203 | Certificate of Analysis | Sep 22, 2022 | T117005 |
| H2331065 | Certificate of Analysis | Jun 14, 2022 | T117005 |
| J2212048 | Certificate of Analysis | Jun 14, 2022 | T117005 |
| J2212049 | Certificate of Analysis | Jun 14, 2022 | T117005 |
| J2212050 | Certificate of Analysis | Jun 14, 2022 | T117005 |
| Solubility | Soluble in water. |
|---|---|
| Sensitivity | moisture and heat sensitive |
| Melt Point(°C) | 64°C |
| Molecular Weight | 169.610 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 3 |
| Exact Mass | 169.051 Da |
| Monoisotopic Mass | 169.051 Da |
| Topological Polar Surface Area | 72.600 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 104.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 2 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 2 |
| 1. Luyao Zheng, Zhiyuan Zhao, Ye Yang, Yaming Li, Chengxiao Wang. (2020) Novel skin permeation enhancers based on amino acid ester ionic liquid: Design and permeation mechanism. INTERNATIONAL JOURNAL OF PHARMACEUTICS, [PMID:31953082] [10.1016/j.ijpharm.2020.119031] |
| 2. Wenya Feng, Juan Qiao, Dan Li, Li Qi. (2018) Chiral ligand exchange capillary electrochromatography with dual ligands for enantioseparation of D,L-amino acids. TALANTA, [PMID:30609554] [10.1016/j.talanta.2018.10.059] |
