Cas no 59430-62-5 (2-(4-Aminophenyl)propanoic acid)

2-(4-Aminophenyl)propanoic acid is a chiral aromatic compound featuring both an amino group and a carboxylic acid functional group. Its structure makes it a versatile intermediate in organic synthesis, particularly for pharmaceuticals and fine chemicals. The presence of the amino group allows for further derivatization, while the carboxylic acid enables coupling reactions or salt formation. This compound is valuable in the development of nonsteroidal anti-inflammatory drugs (NSAIDs) and other bioactive molecules. Its stability under standard conditions and well-defined reactivity profile enhance its utility in research and industrial applications. Proper handling is advised due to potential sensitivity to light and oxidation.
2-(4-Aminophenyl)propanoic acid structure
59430-62-5 structure
Product Name:2-(4-Aminophenyl)propanoic acid
CAS No:59430-62-5
MF:C9H11NO2
MW:165.189142465591
MDL:MFCD00800233
CID:372560
PubChem ID:43026
Update Time:2025-11-04

2-(4-Aminophenyl)propanoic acid Chemical and Physical Properties

Names and Identifiers

    • 2-(4-Aminophenyl)propanoic acid
    • 2(4-AMINOPHENYL)PROPIONIC ACID
    • Benzeneacetic acid,4-amino-a-methyl-
    • (+-)-2-(4-Aminophenyl)propionic acid
    • 2(1H)-QUINOLINONE,1,4-DIMETHYL
    • 2-(4-aminobenzene)propionic acid
    • 2-(4-aminophenyl)propanoic-acid
    • 2-(p-aminophenyl)propionic acid
    • 4-Aminohydratropic acid
    • EINECS 261-758-8
    • Hydratropic acid,p-amino-,(+-)
    • N-Deallylalminoprofen
    • Hydratropic acid, p-amino-, (+-)-
    • (+-)-2-(p-Aminophenyl)propionic acid
    • (+-)-alpha-(p-Aminophenyl)propionic acid
    • 2-(4-aminophenyl)propionic acid
    • 2-(4-Amino-phenyl)-propionic acid
    • BENZENEACETIC ACID, 4-AMINO-alpha-METHYL-, (+-)-
    • aminophenylpropanoicacid
    • p-Aminophenylpropionsaure
    • Bionet2_001139
    • 4-aminophenylpropanoic acid
    • 2-(4-aminophenyl)propi
    • 59430-62-5
    • alpha-(p-aminophenyl)propionic acid
    • 2-(4-aminophenyl) propanoic acid
    • FT-0680678
    • EN300-215439
    • 2-(4-aminophenyl)propionicacid
    • SY229641
    • CS-0113072
    • AKOS004117888
    • A4080
    • SB75969
    • MFCD00800233
    • AC1408
    • WOMVICAMAQURRN-UHFFFAOYSA-N
    • 8T-0086
    • DTXSID40974837
    • DL-4-Amino-alpha-Methylphenylacetic Acid
    • PB48445
    • A869202
    • 2-(4-Aminophenyl)propanoicacid
    • 2-(4-aminophenyl) propionic acid
    • SCHEMBL480331
    • AKOS016340120
    • NS00055217
    • J-505896
    • HMS1367D17
    • DA-28321
    • MDL: MFCD00800233
    • Inchi: 1S/C9H11NO2/c1-6(9(11)12)7-2-4-8(10)5-3-7/h2-6H,10H2,1H3,(H,11,12)
    • InChI Key: WOMVICAMAQURRN-UHFFFAOYSA-N
    • SMILES: OC(C(C)C1C=CC(=CC=1)N)=O

Computed Properties

  • Exact Mass: 165.07900
  • Monoisotopic Mass: 165.078979
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 12
  • Rotatable Bond Count: 2
  • Complexity: 162
  • 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: 1.2
  • Topological Polar Surface Area: 63.3

Experimental Properties

  • Density: 1.210±0.06 g/cm3 (20 oC 760 Torr),
  • Melting Point: 137 oC
  • Boiling Point: 345°C at 760 mmHg
  • Flash Point: 162.4°C
  • Refractive Index: 1.593
  • Solubility: Slightly soluble (6.3 g/l) (25 o C),
  • PSA: 63.32000
  • LogP: 2.03810

2-(4-Aminophenyl)propanoic acid Security Information

  • HazardClass:IRRITANT

2-(4-Aminophenyl)propanoic acid 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%

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2-(4-Aminophenyl)propanoic acid Production Method

Additional information on 2-(4-Aminophenyl)propanoic acid

Introduction to 2-(4-Aminophenyl)propanoic acid (CAS No. 59430-62-5)

2-(4-Aminophenyl)propanoic acid, identified by the Chemical Abstracts Service (CAS) number 59430-62-5, is a significant compound in the field of pharmaceutical chemistry and bioorganic synthesis. This molecule, featuring a propionic acid moiety linked to a para-aminophenyl group, has garnered attention due to its versatile structural and functional properties. Its unique arrangement of functional groups makes it a valuable intermediate in the synthesis of various pharmacologically active agents, particularly in the development of therapeutic compounds targeting neurological and cardiovascular disorders.

The structural framework of 2-(4-Aminophenyl)propanoic acid consists of a benzene ring substituted with an amino group at the fourth position, connected to a propanoic acid side chain. This configuration imparts both basicity (due to the amino group) and acidity (due to the carboxylic acid moiety), making it a bifunctional entity that can participate in diverse chemical reactions. The presence of these functional groups allows for further derivatization, enabling the creation of more complex molecules with tailored biological activities.

In recent years, 2-(4-Aminophenyl)propanoic acid has been extensively studied for its potential applications in medicinal chemistry. One of the most compelling areas of research involves its role as a precursor in the synthesis of central nervous system (CNS) drugs. The para-aminophenyl group is particularly relevant in this context, as it is a common structural feature found in many neuroactive compounds. For instance, derivatives of this molecule have been explored as potential monoamine oxidase (MAO) inhibitors, which are used to treat conditions such as depression and Parkinson's disease.

Moreover, the propionic acid side chain provides a handle for further chemical modifications, allowing researchers to introduce additional functional groups or linkages that can enhance drug solubility, bioavailability, and target specificity. This flexibility has made 2-(4-Aminophenyl)propanoic acid a preferred building block in the design of novel therapeutic agents. Recent studies have highlighted its utility in developing compounds that exhibit anti-inflammatory and analgesic properties, making it a promising candidate for treating chronic pain syndromes and inflammatory diseases.

The pharmaceutical industry has also shown interest in 2-(4-Aminophenyl)propanoic acid for its potential role in cardiovascular drug development. Research indicates that certain derivatives of this compound can modulate lipid metabolism and inhibit platelet aggregation, which are critical mechanisms in managing conditions such as hyperlipidemia and thrombosis. By leveraging its structural features, scientists have synthesized analogs that exhibit potent vasodilatory effects, contributing to advancements in cardiovascular therapeutics.

Beyond its pharmaceutical applications, 2-(4-Aminophenyl)propanoic acid has found utility in materials science and chemical research. Its ability to participate in condensation reactions with various carbonyl compounds makes it a valuable reagent for synthesizing polymers and high-performance materials. Additionally, its role as a chelating agent has been explored in coordination chemistry, where it can form stable complexes with transition metals, facilitating catalytic processes and analytical methodologies.

The synthesis of 2-(4-Aminophenyl)propanoic acid typically involves multi-step organic reactions starting from readily available precursors such as 4-aminobenzaldehyde and propanoic acid derivatives. Advanced synthetic techniques like palladium-catalyzed cross-coupling reactions have been employed to achieve high yields and purity levels. These methods underscore the compound's importance as a synthetic intermediate and highlight the ongoing efforts to optimize its production for industrial-scale applications.

In conclusion, 2-(4-Aminophenyl)propanoic acid (CAS No. 59430-62-5) represents a cornerstone molecule in modern chemical research and pharmaceutical development. Its unique structural attributes enable diverse applications across multiple disciplines, from CNS drug discovery to cardiovascular therapeutics and advanced material science. As research continues to uncover new synthetic pathways and biological functions associated with this compound, its significance is expected to grow further, solidifying its position as a key player in the advancement of chemical biology and medicinal chemistry.

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