Cas no 43101-48-0 (Aspartic Acid Diethyl Ester Hydrogen Chloride)

Aspartic Acid Diethyl Ester Hydrogen Chloride is a derivative of aspartic acid, commonly used as an intermediate in organic synthesis and pharmaceutical applications. Its key advantages include high purity and stability, making it suitable for peptide synthesis and other fine chemical processes. The diethyl ester group enhances solubility in organic solvents, facilitating reactions under mild conditions. The hydrochloride form improves handling and storage characteristics. This compound is particularly valued for its role in producing chiral building blocks and protecting groups in asymmetric synthesis. Its consistent performance and compatibility with various reaction conditions make it a reliable choice for research and industrial applications.
Aspartic Acid Diethyl Ester Hydrogen Chloride structure
43101-48-0 structure
Product Name:Aspartic Acid Diethyl Ester Hydrogen Chloride
CAS No:43101-48-0
MF:C8H15NO4
MW:189.209002733231
CID:928749
PubChem ID:423728
Update Time:2025-10-19

Aspartic Acid Diethyl Ester Hydrogen Chloride Chemical and Physical Properties

Names and Identifiers

    • diethyl DL-aspartate
    • Aspartic Acid Diethyl Ester
    • diethyl (R,S)-aspartate
    • D,L-aspartic acid diethyl ester
    • diethyl aspartate
    • diethyl DL-2-aminobutane-1,4-dioate
    • DL-Asparaginsaeure-diaethylester
    • Diethyl DL- aspartate
    • Diethyl 1-amino-1,2-ethylenedicarboxylate
    • DTXSID70885886
    • DL-Aspartic acid, diethyl ester
    • Aspartic acid, diethyl ester
    • 43101-48-0
    • diethyl 2-aminobutanedioate
    • HMNXRLQSCJJMBT-UHFFFAOYSA-N
    • AKOS015997814
    • Aspartic acid, 1,4-diethyl ester
    • SCHEMBL1172846
    • CS-W001836
    • Diethyl aspartate hydrochloride
    • HY-W001836
    • Aspartic Acid Diethyl Ester Hydrogen Chloride
    • Inchi: 1S/C8H15NO4/c1-3-12-7(10)5-6(9)8(11)13-4-2/h6H,3-5,9H2,1-2H3
    • InChI Key: HMNXRLQSCJJMBT-UHFFFAOYSA-N
    • SMILES: O(CC)C(C(CC(=O)OCC)N)=O

Computed Properties

  • Exact Mass: 189.10000
  • Monoisotopic Mass: 189.10010796g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 1
  • Hydrogen Bond Acceptor Count: 5
  • Heavy Atom Count: 13
  • Rotatable Bond Count: 7
  • Complexity: 181
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 1
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • XLogP3: -0.2
  • Topological Polar Surface Area: 78.6?2

Experimental Properties

  • Density: 1.1±0.1 g/cm3
  • Boiling Point: 320.7±37.0 °C at 760 mmHg
  • Flash Point: 147.7±26.5 °C
  • PSA: 78.62000
  • LogP: 0.53030
  • Vapor Pressure: 0.0±1.5 mmHg at 25°C

Aspartic Acid Diethyl Ester Hydrogen Chloride Security Information

Aspartic Acid Diethyl Ester Hydrogen Chloride Customs Data

  • HS CODE:2922499990
  • Customs Data:

    China Customs Code:

    2922499990

    Overview:

    2922499990 Other amino acids and their esters and their salts(Except those containing more than one oxygen-containing group). VAT:17.0% Tax refund rate:9.0% Regulatory conditions:AB(Customs clearance form for Inbound Goods,Customs clearance form for outbound goods) MFN tariff:6.5% general tariff:30.0%

    Declaration elements:

    Product Name, component content, use to, The color of ethanolamine and its salt should be reported, The package of ethanolamine and its salt shall be declared

    Regulatory conditions:

    A.Customs clearance form for Inbound Goods
    B.Customs clearance form for outbound goods

    Inspection and quarantine category:

    P.Imported animals and plants\Quarantine of animal and plant products
    Q.Outbound animals and plants\Quarantine of animal and plant products
    R.Sanitary supervision and inspection of imported food
    S.Sanitary supervision and inspection of exported food
    M.Import commodity inspection
    N.Export commodity inspection

    Summary:

    HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

Aspartic Acid Diethyl Ester Hydrogen Chloride Pricemore >>

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Additional information on Aspartic Acid Diethyl Ester Hydrogen Chloride

Aspartic Acid Diethyl Ester Hydrogen Chloride (CAS No. 43101-48-0): A Comprehensive Overview

Aspartic Acid Diethyl Ester Hydrogen Chloride (CAS No. 43101-48-0) is a versatile compound with significant applications in the fields of pharmaceuticals, chemical synthesis, and research. This compound, also known as L-Aspartic Acid Diethyl Ester Hydrochloride, is a derivative of aspartic acid, a non-essential amino acid that plays a crucial role in various biological processes. The diethyl ester form of aspartic acid, when combined with hydrogen chloride, offers unique properties that make it valuable in a wide range of applications.

The chemical structure of Aspartic Acid Diethyl Ester Hydrogen Chloride consists of an aspartic acid backbone with two ethyl groups attached to the carboxyl groups and a hydrogen chloride molecule. This structure imparts the compound with both hydrophilic and hydrophobic characteristics, making it suitable for use in various solvents and reaction conditions. The compound is typically supplied as a white crystalline powder with a melting point ranging from 165 to 167°C.

In the pharmaceutical industry, Aspartic Acid Diethyl Ester Hydrogen Chloride is used as an intermediate in the synthesis of several important drugs. Its ability to undergo selective chemical reactions makes it a valuable starting material for the production of peptides and other bioactive molecules. Recent studies have highlighted its potential in the development of novel therapeutic agents, particularly in the areas of neurodegenerative diseases and cancer.

One of the key applications of Aspartic Acid Diethyl Ester Hydrogen Chloride is in the synthesis of NMDA receptor antagonists. NMDA receptors play a critical role in synaptic plasticity and are implicated in various neurological disorders such as Alzheimer's disease and Parkinson's disease. Research has shown that compounds derived from Aspartic Acid Diethyl Ester Hydrogen Chloride can effectively modulate NMDA receptor activity, offering promising therapeutic avenues for these conditions.

In addition to its pharmaceutical applications, Aspartic Acid Diethyl Ester Hydrogen Chloride is also used in chemical synthesis for the preparation of various organic compounds. Its reactivity and stability make it an ideal choice for multi-step synthetic processes. For instance, it can be used as a building block for the synthesis of complex molecules such as peptides, proteins, and nucleotides. These molecules are essential components in biotechnology and pharmaceutical research, contributing to the development of new drugs and therapies.

The use of Aspartic Acid Diethyl Ester Hydrogen Chloride in research settings has also expanded due to its versatility and ease of handling. It is commonly employed in peptide coupling reactions and esterification processes, where its ability to form stable intermediates facilitates the synthesis of target compounds. Recent advancements in synthetic methodologies have further enhanced its utility, allowing researchers to explore new frontiers in chemical biology and medicinal chemistry.

Safety considerations are paramount when working with Aspartic Acid Diethyl Ester Hydrogen Chloride. While it is not classified as a hazardous substance, proper handling procedures should be followed to ensure safety. It is recommended to store the compound in a cool, dry place away from direct sunlight and incompatible materials. Personal protective equipment (PPE) such as gloves, goggles, and lab coats should be worn during handling to minimize exposure risks.

In conclusion, Aspartic Acid Diethyl Ester Hydrogen Chloride (CAS No. 43101-48-0) is a multifaceted compound with significant potential in pharmaceuticals, chemical synthesis, and research. Its unique properties and reactivity make it an indispensable tool for scientists and researchers working in these fields. As ongoing research continues to uncover new applications and benefits, the importance of this compound is likely to grow even further.

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