• 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
Awaiting product image

4-Aminosalicylic Acid

Product ID A5033
Cas No. 65-49-6
Purity ≥98%
Product Unit SizeCostQuantityStock
100 g $33.00 In stock
25 g $22.50 In stock
25 g $22.50 In stock
500 g $112.40 In stock
100 g $33.00 In stock
500 g $112.40 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. TEST!!!!!!

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

  • G4781

    Glucoraphanin Potassium

    Glucosinolate found in cruciferous vegetables.<...

    ≥98%
  • O9398

    Oxymetazoline Hydrochloride

    Imidazoline derivative; α1-adrenergic agonist,...

    ≥98%
  • B3200

    BI-2536

    PLK1 inhibitor.

    ≥98%
  • O4104

    Okadaic Acid Sodium

    Shellfish toxin produced by dinoflagellates and...

    ≥98%
  • C0147

    Calcium Folinate Pentahydrate

    Folate source co-administered with methotrexate...

    ≥95%
  • E7556

    Etodolac

    NSAID; TRPA1 agonist, COX-2 inhibitor.

    ≥98%
  • D0255

    Dantrolene Sodium Heptahydrate

    Hydantoin derivative; RyR antagonist, L-type Ca...

    ≥98%
  • S3470

    Sirtinol

    Sirtuin inhibitor and iron chelator.

    ≥98%
  • V182705

    Verubecestat

    BACE1 inhibitor

    ≥98%
  • C2965

    Chromium Picolinate

    Used to prevent chromium deficiency and to decr...

    ≥98%
  • T0095

    Baccatin III

    Diterpene found in Taxus, used to synthesize ta...

    ≥98%
  • G1869

    Geranylgeraniol

    Diterpene alcohol, geranylgeranyl pyrophosphate...

    ≥95%
  • B8176

    2-n-Butylthiophene

    Sulfur analog of furan found in cooked meat pro...

    ≥98%
  • Q8133

    Quinacrine Dihydrochloride Dihydrate

    Cell membrane permeability modulator, topoisome...

    ≥97%
  • T2402

    TG100-115

    p110δ and p110γ PI3K inhibitor.

    ≥98%
  • A9978

    Aztreonam

    β-lactam; penicillin binding protein inhibitor...

    ≥96%
  • F8149

    Fumonisin B1

    Mycotoxin produced by Fusarium; sphingosine acy...

    ≥98%
  • A5001

    Aminopterin

    Folic acid analog, derivative of pterin; dihydr...

    ≥95%
  • W0274

    S-(−)-Warfarin Sodium >99%ee

    Coumarin, more potent isomer; VKORC1 inhibitor....

    ≥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