Determine the necessary mass, volume, or concentration for preparing a solution.
≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C,Argon charged Ships Wet ice 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 7 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
L-Alanine methyl ester hydrochloride also known as L-Ala-OMe·HCl, is a versatile reagent used commonly in solution phase peptide synthesis. It is often used to synthesize dipeptides.
Application
L-Alanine methyl ester hydrochloride can be used as a starting material in the synthesis of alanine isoxazolidide via solution phase peptide synthesis. Additionally, it is used to synthesize N-Fmoc-l-alanyl-l-alanine methyl ester and α-amino acid-based sector block dendrons.
| Pubchem Sid | 504760977 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504760977 |
| Canonical Smiles | Cl.COC(=O)[C@H](C)N |
| IUPAC Name | methyl (2S)-2-aminopropanoate;hydrochloride |
| InChIKey | IYUKFAFDFHZKPI-DFWYDOINSA-N |
| INCHI | 1S/C4H9NO2.ClH/c1-3(5)4(6)7-2;/h3H,5H2,1-2H3;1H/t3-;/m0./s1 |
| Isomeric SMILES | C[C@@H](C(=O)OC)N.Cl |
| WGK Germany | 3 |
| Molecular Weight | 139.58 |
| Beilstein | 3594033 |
| Reaxy-Rn | 3594033 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3594033&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 | Alanine and derivatives Methyl esters Monocarboxylic acids and derivatives Organopnictogen compounds Organic oxides Monoalkylamines Hydrochlorides Hydrocarbon derivatives Carbonyl compounds |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Alpha-amino acid ester - Alanine or derivatives - Methyl ester - Carboxylic acid ester - Monocarboxylic acid or derivatives - Organopnictogen compound - Hydrocarbon derivative - Hydrochloride - Organic oxygen compound - Primary amine - Organooxygen compound - Organonitrogen compound - Primary aliphatic amine - Carbonyl group - Amine - Organic nitrogen compound - Organic oxide - 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 |
|---|---|---|---|
| Certificate of Analysis | Apr 02, 2026 | A100815 | |
| Certificate of Analysis | Apr 02, 2026 | A100815 | |
| Certificate of Analysis | Mar 13, 2026 | A100815 | |
| Certificate of Analysis | Mar 13, 2026 | A100815 | |
| Certificate of Analysis | Mar 13, 2026 | A100815 | |
| Certificate of Analysis | Sep 09, 2025 | A100815 | |
| Certificate of Analysis | Jun 09, 2025 | A100815 | |
| Certificate of Analysis | Dec 05, 2024 | A100815 | |
| Certificate of Analysis | Dec 05, 2024 | A100815 | |
| Certificate of Analysis | Dec 05, 2024 | A100815 | |
| Certificate of Analysis | May 27, 2024 | A100815 | |
| Certificate of Analysis | May 27, 2024 | A100815 | |
| Certificate of Analysis | May 27, 2024 | A100815 | |
| Certificate of Analysis | May 27, 2024 | A100815 | |
| Certificate of Analysis | May 27, 2024 | A100815 | |
| Certificate of Analysis | Mar 11, 2024 | A100815 | |
| Certificate of Analysis | Mar 11, 2024 | A100815 | |
| Certificate of Analysis | Dec 21, 2023 | A100815 | |
| Certificate of Analysis | Dec 21, 2023 | A100815 | |
| Certificate of Analysis | Dec 21, 2023 | A100815 | |
| Certificate of Analysis | Aug 07, 2023 | A100815 | |
| Certificate of Analysis | Apr 11, 2023 | A100815 | |
| Certificate of Analysis | Apr 11, 2023 | A100815 | |
| Certificate of Analysis | Apr 11, 2023 | A100815 | |
| Certificate of Analysis | Feb 21, 2022 | A100815 | |
| Certificate of Analysis | Feb 21, 2022 | A100815 |
| Sensitivity | Moisture sensitive |
|---|---|
| Specific Rotation[α] | 6.5 ° (C=2, MeOH) |
| Melt Point(°C) | 109-111°C |
| Molecular Weight | 139.580 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 2 |
| Exact Mass | 139.04 Da |
| Monoisotopic Mass | 139.04 Da |
| Topological Polar Surface Area | 52.300 Ų |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Complexity | 72.100 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 1 |
| 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. Yumei Wang, Jia Ke, Kaijun Gou, Yingyu Guo, Xiaomin Xu, Sanming Li, Heran Li. (2019) Amino functionalized mesoporous silica with twisted rod-like shapes: Synthetic design, in vitro and in vivo evaluation for ibuprofen delivery. MICROPOROUS AND MESOPOROUS MATERIALS, [PMID:] [10.1016/j.micromeso.2019.109896] |
| 3. Nabila Mehwish, Ayesha Kousar, Auphedeous Yinme Dang-i, Juexin Huang, Xiaoqiu Dou, Chuanliang Feng. (2019) Molecular recognition of melamine and cyanuric acid by C2-symmetric phenylalanine based supramolecular hydrogels. EUROPEAN POLYMER JOURNAL, [PMID:] [10.1016/j.eurpolymj.2019.05.059] |
| 4. A. Kousar, J. Liu, N. Mehwish, F. Wang, A.Y. Dang-i, C. Feng. (2018) pH-Regulated supramolecular chirality of phenylalanine-based hydrogels. Materials Today Chemistry, [PMID:] [10.1016/j.mtchem.2018.11.005] |
| 5. Shilei Ji, Nan Li, Yong Shen, Qi Li, Juan Qiao, Zhibo Li. (2016) Poly(amino acid)-based thermoresponsive molecularly imprinted magnetic nanoparticles for specific recognition and release of lysozyme. ANALYTICA CHIMICA ACTA, [PMID:26851085] [10.1016/j.aca.2016.01.005] |
| 6. Jiaxuan Wang, Cuiping Pang, Zhonglin Tu, Jianghua Li, Guocheng Du, Guoqiang Zhang. (2024) Double enzymes coupled screening assisted molecular modification of α-Amino acid ester acyltransferase for L-Alanyl-l-Glutamine biosynthesis. Food Bioscience, [PMID:] [10.1016/j.fbio.2024.103643] |
| 7. Yumei Wang, Wei Li, Tiaotiao Liu, Lu Xu, Yingyu Guo, Jia Ke, Sanming Li, Heran Li. (2019) Design and preparation of mesoporous silica carriers with chiral structures for drug release differentiation. Materials Science & Engineering C-Materials for Biological Applications, [PMID:31349514] [10.1016/j.msec.2019.109737] |