Cas no 2840-04-2 (5-Amino-2-methylbenzoic acid)

5-Amino-2-methylbenzoic acid is a benzoic acid derivative featuring an amino group at the 5-position and a methyl group at the 2-position of the aromatic ring. This compound serves as a versatile intermediate in organic synthesis, particularly in the production of pharmaceuticals, agrochemicals, and dyes. Its distinct substitution pattern enhances reactivity in electrophilic aromatic substitution and coupling reactions, making it valuable for constructing complex molecular frameworks. The amino group allows for further functionalization, while the carboxylic acid moiety provides compatibility with esterification or amidation reactions. It is typically supplied as a crystalline solid with high purity, ensuring consistent performance in synthetic applications.
5-Amino-2-methylbenzoic acid structure
5-Amino-2-methylbenzoic acid structure
Product Name:5-Amino-2-methylbenzoic acid
CAS No:2840-04-2
MF:C8H9NO2
MW:151.162562131882
MDL:MFCD06208351
CID:43478
PubChem ID:125307990
Update Time:2025-06-10

5-Amino-2-methylbenzoic acid Chemical and Physical Properties

Names and Identifiers

    • 5-Amino-2-methylbenzoic acid
    • 2-methyl-5-aminobenzoic acid
    • 3-Amino-6-methyl-benzoesaeure
    • 5-Amino-2-methyl-benzoesaeure
    • 5-Amino-2-methyl-benzoic acid
    • 5-Amino-o-toluic acid
    • 5-Amino-o-toluylsaeure
    • Benzoic acid, 5-amino-2-methyl-
    • 5-Amino-2-methyl benzoic acid
    • 5-Amino-2-methylbenzoicacid
    • PubChem4980
    • KSC494Q3T
    • 3-amino-6-methylbenzoic acid
    • 2-Methyl-5-amino benzoic acid
    • 5-azanyl-2-methyl-benzoic acid
    • 3-CARBOXY-4-METHYLANILINE
    • FSXVZWAWYKMFMX-UHFFFAOYSA-N
    • BCP24537
    • 5-AMINO-2-METHYLBENZOIC ACID / 2-METHYL-5-AMINOBENZOIC ACID
    • RARECHEM AL BO 1282
    • TIMTEC-BB SBB007566
    • METHYL 5-AMION-2-METHYLBENZOATE
    • Benzoic acid, 5-amino-2-methyl- (9CI)
    • 2-Methyl-5-Aminobenzoic
    • 2840-04-2
    • J-516701
    • DS-0415
    • TS-01990
    • SB36370
    • CS-W003272
    • MFCD06208351
    • AKOS009334299
    • Z802851852
    • SCHEMBL2323573
    • 5-Amino-2-methylbenzoic acid, 97%
    • EN300-71984
    • SY031003
    • A819436
    • DTXSID10438815
    • AC-056
    • J-017058
    • FT-0647657
    • AM20060596
    • A2373
    • benzoic acid, 3-amino-6-methyl-
    • DTXCID70389637
    • 3-Amino-6-methylbenzoic Acid; 5-Amino-o-toluic Acid;
    • DB-295990
    • HL3ACZ24JF
    • FA36679
    • 608-202-6
    • MDL: MFCD06208351
    • Inchi: 1S/C8H9NO2/c1-5-2-3-6(9)4-7(5)8(10)11/h2-4H,9H2,1H3,(H,10,11)
    • InChI Key: FSXVZWAWYKMFMX-UHFFFAOYSA-N
    • SMILES: OC(C1C=C(C=CC=1C)N)=O

Computed Properties

  • Exact Mass: 151.06300
  • Monoisotopic Mass: 151.063328530g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 3
  • Heavy Atom Count: 11
  • Rotatable Bond Count: 1
  • Complexity: 158
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 63.3
  • XLogP3: 1.1

Experimental Properties

  • Density: 1.254
  • Melting Point: 195.0 to 199.0 deg-C
  • Boiling Point: 348.8°C at 760 mmHg
  • Flash Point: 164.7°C
  • Refractive Index: 1.618
  • Solubility: DMSO (Slightly), Ethyl acetate (Very Slightly, Heated)
  • PSA: 63.32000
  • LogP: 1.85660
  • pka: 2.95±0.25(Predicted)

5-Amino-2-methylbenzoic acid Security Information

5-Amino-2-methylbenzoic 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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5-Amino-2-methylbenzoic acid Suppliers

Suzhou Senfeida Chemical Co., Ltd
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(CAS:2840-04-2)5-Amino-2-methylbenzoic acid
Order Number:sfd12766
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Quantity:200kg
Purity:99.9%
Pricing Information Last Updated:Friday, 19 July 2024 14:36
Price ($):discuss personally
Amadis Chemical Company Limited
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(CAS:2840-04-2)5-Amino-2-methylbenzoic Acid
Order Number:A1408
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Quantity:100g/25g
Purity:99%
Pricing Information Last Updated:Friday, 30 August 2024 04:01
Price ($):259.0/204.0
Tiancheng Chemical (Jiangsu) Co., Ltd
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(CAS:2840-04-2)5-氨基-2-甲基苯甲酸
Order Number:LE27055551
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Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 13:03
Price ($):discuss personally

Additional information on 5-Amino-2-methylbenzoic acid

Introduction to 5-Amino-2-methylbenzoic acid (CAS No. 2840-04-2)

5-Amino-2-methylbenzoic acid, identified by the chemical compound code CAS No. 2840-04-2, is a significant intermediate in the field of organic synthesis and pharmaceutical research. This compound belongs to the class of substituted benzoic acids, characterized by the presence of both an amino group and a methyl substituent on its aromatic ring. The unique structural properties of 5-Amino-2-methylbenzoic acid make it a valuable building block for the development of various bioactive molecules, including potential therapeutic agents.

The molecular structure of 5-Amino-2-methylbenzoic acid consists of a benzene ring substituted at the 5-position with an amino group (-NH?) and at the 2-position with a methyl group (-CH?). This arrangement imparts distinct chemical reactivity, allowing for further functionalization through various synthetic pathways. The presence of both electron-donating and electron-withdrawing groups on the aromatic ring influences its interaction with biological targets, making it a versatile precursor in medicinal chemistry.

In recent years, 5-Amino-2-methylbenzoic acid has garnered attention in academic and industrial research due to its potential applications in drug discovery. One notable area of interest is its role as a precursor in the synthesis of heterocyclic compounds, which are widely prevalent in pharmacologically active molecules. The benzoic acid core is a common scaffold in many drugs, and modifications at specific positions can lead to enhanced biological activity.

Recent studies have explored the derivatives of 5-Amino-2-methylbenzoic acid in the development of novel antimicrobial agents. The structural features of this compound allow for interactions with bacterial enzymes and cellular components, leading to mechanisms that inhibit microbial growth. For instance, modifications at the amino group can enhance binding affinity to bacterial cell wall precursors, disrupting essential metabolic pathways.

The pharmaceutical industry has also investigated 5-Amino-2-methylbenzoic acid as a starting material for anti-inflammatory and analgesic compounds. Researchers have demonstrated that derivatives of this molecule can modulate inflammatory cytokine production by interacting with specific enzymes involved in prostaglandin synthesis. This has opened up avenues for developing more effective and targeted therapies for chronic inflammatory conditions.

Beyond its pharmaceutical applications, 5-Amino-2-methylbenzoic acid finds utility in agrochemical research. Its structural motif is similar to several herbicides and fungicides, suggesting potential as a precursor for crop protection agents. By leveraging its reactivity, scientists can design compounds that selectively target pathogenic fungi or inhibit weed growth without harming crops.

The synthesis of 5-Amino-2-methylbenzoic acid typically involves multi-step organic reactions starting from commercially available aromatic precursors. Advanced synthetic methodologies, such as catalytic hydrogenation and palladium-catalyzed cross-coupling reactions, have been employed to achieve high yields and purity. These techniques are essential for ensuring that the final product meets the stringent requirements for pharmaceutical applications.

In conclusion, 5-Amino-2-methylbenzoic acid (CAS No. 2840-04-2) is a multifaceted compound with broad applications across multiple industries. Its role as a key intermediate in drug development, particularly in antimicrobial and anti-inflammatory therapies, underscores its importance in modern medicinal chemistry. As research continues to uncover new derivatives and applications, this compound is poised to remain a cornerstone in synthetic chemistry and pharmacological innovation.

Recommended suppliers
Suzhou Senfeida Chemical Co., Ltd
(CAS:2840-04-2)5-Amino-2-methylbenzoic acid
sfd12766
Purity:99.9%
Quantity:200kg
Price ($):Inquiry
Email
Amadis Chemical Company Limited
(CAS:2840-04-2)5-Amino-2-methylbenzoic Acid
A1408
Purity:99%/99%
Quantity:100g/25g
Price ($):259.0/204.0
Email