• Skip to primary navigation
  • Skip to main content
  • Skip to footer

LKT Labs

Biochemicals for Life Science Research

  • Products
    • New Products
    • Cancer Biology
    • Cardiovascular
    • Endocrine Signaling and Immunology
    • Metabolic and GI Pathology
    • Microbiology
    • Natural Products
    • Neuroscience
    • Peptides
    • Pharmaceutical Impurities and Derivatives
    • Stem Cell Modulators
  • Services
    • Custom Synthesis
    • Natural Product Isolation
    • Analytical Services
  • Int’l Distributors
  • Support
    • About LKT Labs
    • General Inquiry
    • Bulk Quote Request
    • Document Request
    • Technical Support
    • Catalog Request
    • Product Flyers
  • Contact Us
  • Cart
  • Login / Register
4-Aminosalicylic Acid

4-Aminosalicylic Acid

Product ID A5033
Cas No. 65-49-6
Purity ≥98%
Product Unit SizeCostQuantityStock
25 g $31.00 In stock
100 g $45.00 In stock
500 g $153.00 In stock
Bulk Quote

Quicklinks

  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Description
  • Product Info
  • Shipping and Storage
  • Downloads
  • References
  • Custom Order

Description

4-Aminosalicylic acid exhibits anti-inflammatory, antioxidative, and antibacterial activities; it is clinically used to treat inflammatory bowel disease (IBD), Crohn’s disease, and colitis, as it acts primarily in the colon. 4-Aminosalicylic acid is used against Mycobacterium as a treatment for tuberculosis; it inhibits dihydrofolate reductase (DHFR) activity as an antimetabolite.

Product Info

Cas No.

65-49-6

Purity

≥98%

Formula

C7H7NO3

Formula Wt.

153.14

Chemical Name

4-Amino-2-hydroxybenzoic acid

IUPAC Name

4-amino-2-hydroxybenzoic acid

Synonym

p-Aminosalicylic Acid, PASER, Rezipas

Melting Point

150-151°C

Solubility

Soluble in water and alcohol. Practically insoluble in benzene.

Appearance

A white or almost white crystalline powder

Shipping and Storage

Store Temp

Ambient

Ship Temp

Ambient

Downloads

MSDS

A5033 MSDS PDF

Info Sheet

A5033 Info Sheet PDF

References

Dhaneshwar SS. Colon-specific prodrugs of 4-aminosalicylic acid for inflammatory bowel disease. World J Gastroenterol. 2014 Apr 7;20(13):3564-71. PMID: 24707139.

Jensen KA, Rosdahl KG, Ingvorsen H. Tuberculostatic derivatives of rho-aminobenzoic acid; esters and amides of 4-aminosalicylic acid. Acta Chem Scand. 1948;2(3):220-4. PMID: 18098531.

Custom Order

  • Size of single unit expressed as number (e.g. '500' in the case of 500 mg)
  • Total quantity of unit size desired (e.g. '10' in the case of 10 x 500 mg). If only one unit is desired, you may leave this blank.
  • This field is for validation purposes and should be left unchanged.

Related Products

  • T5870

    Torin 1

    Tricyclic benzonaphthyridinone; mTORC1/2 inhibi...

    ≥98%
  • S0368

    Sarcophine

    Cembranoid diterpene found in Sarcophyton glauc...

    ≥98%
  • P7000

    PR-619

    Deubiquitinating enzyme inhibitor.

    ≥98%
  • T0106

    Xylosyltaxol

    Taxane found in species of Taxus; potential mic...

    ≥98%
  • A5217

    trans-Anethole

    Phenylpropene derivative found in essential oil...

    ≥98%
  • A6826

    L-Arginine Hydrochloride

    Endogenous amino acid, also found in meat, dair...

    ≥98%
  • P2994

    Physalaemin

    Amphibian tachykinin neuropeptide.

    ≥95%
  • A761003

    AT-7519 Hydrochloride

    ATP competitive CDK inhibitor.

    ≥98%
  • T6803

    Trandolapril

    ACE inhibitor.

    ≥98%
  • N1769

    Nerolidol, synthetic

    AChE inhibitor, F0F1-ATP synthase modulator.

    A mixture of cis and trans isomers, ≥96%
  • K9600

    KY-02111

    Wnt signaling inhibitor.

    ≥98%
  • A4547

    Alloxan Monohydrate

    Pyrimidine, glucose analog, used to induce diab...

    ≥98%
  • K7600

    KT5720

    PKA and PDK1 inhibitor, HCN channel blocker, po...

    ≥98%
  • T2816

    L-Theanine

    Non-essential amino acid found in Camellia and ...

    ≥98%
  • B8112

    Budesonide

    Steroid; glucocorticoid agonist.

    ≥97%
  • C0140

    Calcitonin, eel

    Endogenous neuropeptide hormone, lowers extrace...

    ≥95%
  • A5235

    Amitriptyline Hydrochloride

    FIASMA, σ1, RyR2, TrkA/B agonist; SERT, NET in...

    ≥98%
  • A4854

    β-Amyloid Peptide (1-42), rat

    Endogenous APP peptide cleavage product, primar...

    ≥95%
  • R3312

    Ridaifen A Dihydrochloride

    Tamoxifen derivative; potential proteasome inhi...

    ≥98%
  • SC7056

    Snake venom – Crotalus durissus terrificus

    Snake venom found in Crotalus durrisus terrific...

    ≥98%

Footer

  • Contact Us
  • About Us
  • Site Map
  • Terms and Conditions
LKT Laboratories, Inc.
545 Phalen Blvd.
St. Paul MN, 55130

Ph: (888)-558-5227
Fax: (888)-558-7329

©2026 LKT Laboratories, All Rights Reserved - Products for research use only