• 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

  • N5766

    L-(-)-Norepinephrine Bitartrate Monohydrate

    Endogenous hormone and neurotransmitter involve...

    ≥98%
  • D0255

    Dantrolene Sodium Heptahydrate

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

    ≥98%
  • P6956

    Prostaglandin E1

    Endogenous prostaglandin, vasodilator.

    ≥98%
  • A480000

    AM251

    CB1 receptor antagonist/ inverse agonist.

    ≥97%
  • E5202

    Enalapril

    ACE inhibitor.

    ≥98%
  • L186858

    Levomefolic acid

    ≥98%
  • A5284

    [Val5]-Angiotensin II, human

    Peptide, derivative of AT II, involved in vasoc...

    ≥95%
  • G4535

    Glimepiride

    Sulfonylurea; ATP-sensitive K+ channel blocker....

    ≥98%
  • P8169

    Purpurin

    Anthraquinone pigment found in madder root; O-a...

    ≥90%
  • B1652

    Benzo[a]pyrene

    Polycyclic aromatic hydrocarbon (PAH) found in ...

    ≥98%
  • T0250

    Tamoxifen Citrate

    4-Hydroxytamoxifen prodrug; FIASMA, SERM, PKC i...

    ≥98%
  • F1669

    Ferulic Acid

    Hydroxycinnamic acid found in various plant sou...

    ≥98%
  • H9611

    Hydrocortisone

    Endogenous steroid hormone involved in stress s...

    ≥98%
  • C0249

    Calcitonin Gene Related Peptide (8-37), rat

    Endogenous calcitonin-family peptide frgament, ...

    ≥95%
  • M0278

    Matrine

    Alkaloid found in Sophora.

    ≥98%
  • K1676

    Ketoconazole

    Imidazole; 14-α demethylase inhibitor.

    ≥98%
  • O486180

    Omeprazole Related Compound A

    ≥99%
  • S1058

    Scopolamine N-butylbromide

    Tropane alkaloid found in Solanaceae plants; M1...

    ≥98%
  • B8176

    2-n-Butylthiophene

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

    ≥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