• 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 $30.70 In stock
100 g $45.00 In stock
500 g $153.10 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

  • M9634

    Myriocin

    Atypical amino acid found in Isaria sinclairi, ...

    ≥99%, TLC
  • T0154

    Tanshinone IIA

    Found in Salvia; MAG lipase inhibitor.

    ≥93%
  • V9200

    VX-950

    NS3/4A serine protease inhibitor.

    ≥98%
  • L9874

    L-(+)-Lysine Monohydrate

    Non-endogenous essential amino acid found in me...

    ≥95%
  • T0140

    TAK-632

    RAF inhibitor.

    ≥99%
  • B1652

    Benzo[a]pyrene

    Polycyclic aromatic hydrocarbon (PAH) found in ...

    ≥98%
  • M188776

    9-(Methylsulfonyl)nonanyl nitrile

    Synthetic nitrile compound

    ≥98%
  • T7232

    S-Trityl-L-cysteine

    Organosulfur found in garlic; kinesin Eg5 inhib...

    ≥98%
  • A7668

    Atracurium Besylate

    Non-depolarizing NMJ blocker; AChR antagonist.<...

    ≥95%
  • F4780

    Fluoxetine Hydrochloride

    FIASMA, SERT inhibitor, 5-HT and σ1 antagonist...

    ≥98%
  • M1646

    Melanin Concentrating Hormone, human/mouse/rat

    Endogenous peptide hormon involved in energy ho...

    ≥98%
  • F4503

    Flavokawain B

    Chalcone kavalactone that suppresses inflammati...

    ≥97%
  • N859614

    NVP-LDE225

    Smo inhibitor.

    ≥98%
  • T1750

    Temocapril Hydrochloride

    ACE inhibitor.

    ≥98%
  • T1675

    Teriparatide Acetate

    Synthetic peptide hormone, PTH analog; PTH1R ag...

    ≥95%
  • I0902

    Icaritin

    Flavonoid found in Epimedium.

    ≥98%
  • S1612

    Sedanolide

    Phthalide found in celery seeds; COX-1, COX-2, ...

    ≥98%
  • P1761

    Pepstatin

    Aspartyl protease inhibitor.

    ≥98%
  • G7444

    GSK-1070916

    AurKB/C inhibitor.

    ≥98%
  • I4961

    Imperatorin

    Furocoumarin; voltage-gated Na+ channel blocker...

    ≥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

©2025 LKT Laboratories, All Rights Reserved - Products for research use only