L-Aspartic acid dimethyl ester hydrochloride - ≥98% , CAS No.32213-95-9

CAS: 32213-95-9 Cat. No.: A109002 Molecular Weight: 197.62 Beilstein Registry Number: 4(4)3001 EC Number: 250-957-5

GRADE & PURITY ≥98%

Synonyms

Dimethyl L-aspartate hydrochloride | L-Asparaginic Acid Dimethyl Ester Hydrochloride | (S)-Dimethyl 2-aminosuccinate hydrochloride | H-Asp(OMe)-OMe. HCl | HY-W009840 | AKOS016842882 | H-Asp(ome)-OMe HCl | L-aspartic acid dimethyl ester hydrochoride | (S)-

Storage

Store at 2-8°C,Argon charged

Shipped In

Wet ice

Specifications

Synonyms

Dimethyl L-aspartate hydrochloride | L-Asparaginic Acid Dimethyl Ester Hydrochloride | (S)-Dimethyl 2-aminosuccinate hydrochloride | H-Asp(OMe)-OMe. HCl | HY-W009840 | AKOS016842882 | H-Asp(ome)-OMe HCl | L-aspartic acid dimethyl ester hydrochoride | (S)-

Specifications & Purity

≥98%

Storage

Store at 2-8°C, Argon charged

Shipped In

Wet ice

This product requires cold chain shipping. Ground and other economy services are not available.

Purity

≥98%

Names and Identifiers

• Pubchem Sid: 504761218
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/504761218
• Canonical Smiles: COC(=O)CC(C(=O)OC)N.Cl
• IUPAC Name: dimethyl (2S)-2-aminobutanedioate;hydrochloride
• InChIKey: PNLXWGDXZOYUKB-WCCKRBBISA-N
• INCHI: 1S/C6H11NO4.ClH/c1-10-5(8)3-4(7)6(9)11-2;/h4H,3,7H2,1-2H3;1H/t4-;/m0./s1
• Isomeric SMILES: COC(=O)C[C@@H](C(=O)OC)N.Cl
• WGK Germany: 3
• Alternate CAS: 6384-18-5
• Molecular Weight: 197.62
• Beilstein: 4(4)3001
• Reaxy-Rn: 3656559
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=3656559&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Organic compounds
  • Superclass Organic acids and derivatives
    • Class Carboxylic acids and derivatives
      • Subclass Amino acids, peptides, and analogues
        • Level5 Amino acids and derivatives
          • Level6 Alpha amino acids and derivatives
            • Level7 Aspartic acid and derivatives

• 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: Aspartic acid and derivatives
• Alternative Parents: Alpha amino acid esters Fatty acid methyl esters Dicarboxylic acids and derivatives Methyl esters Organopnictogen compounds Organic oxides Monoalkylamines Hydrochlorides Hydrocarbon derivatives Carbonyl compounds
• Molecular Framework: Aliphatic acyclic compounds
• Substituents: Aspartic acid or derivatives - Alpha-amino acid ester - Fatty acid ester - Fatty acid methyl ester - Dicarboxylic acid or derivatives - Fatty acyl - Methyl ester - Carboxylic acid ester - Organic nitrogen compound - Hydrochloride - Hydrocarbon derivative - Primary amine - Organooxygen compound - Organonitrogen compound - Primary aliphatic amine - Organic oxide - Organopnictogen compound - Organic oxygen compound - Carbonyl group - Amine - Aliphatic acyclic compound
• Description: This compound belongs to the class of organic compounds known as aspartic acid and derivatives. These are compounds containing an aspartic acid or a derivative thereof resulting from reaction of aspartic acid at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Solubility: Soluble in water (almost transparency) and methanol.
• Sensitivity: Moisture sensitive
• Freezing Point(°C): 12° (C=1.4,H2O)
• Specific Rotation[α]: 12° (C=1.4,H2O)
• Melt Point(°C): 112-115°C
• Molecular Weight: 197.620 g/mol
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 5
• Rotatable Bond Count: 5
• Exact Mass: 197.045 Da
• Monoisotopic Mass: 197.045 Da
• Topological Polar Surface Area: 78.600 Ų
• Heavy Atom Count: 12
• Formal Charge: 0
• Complexity: 157.000
• 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

XLogP3

References

1. Hecheng Zhu, Jiaming Li, Mengyuan Peng, Min Sha, Ding Zhang, Biao Jiang.  (2025)  Effects of double hydrophilic head groups on the thermodynamic parameters, aggregation behavior, and foam characteristics of amino acid-based fluorocarbon surfactants.  CHEMICAL ENGINEERING SCIENCE,      [PMID:] [10.1016/j.ces.2025.122800]

2. Hao Hu, Hecheng Zhu, Jiaming Li, Ding Zhang, Biao Jiang.  (2026)  Effects of the side chain structure of hydrophilic head group on the properties of amino acid-based fluorocarbon surfactants.  CHEMICAL ENGINEERING SCIENCE,      [PMID:] [10.1016/j.ces.2026.123799]