• 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
Sulfamethoxazole

Sulfamethoxazole

Product ID S8248
Cas No. 723-46-6
Purity ≥98%
Product Unit SizeCostQuantityStock
10 g $47.80 In stock
25 g $85.90 In stock
100 g $248.20 In stock
Bulk Quote

Quicklinks

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

Description

Sulfamethoxazole is a sulfonamide antibiotic that competitively inhibits PABA, preventing bacterial production of folic acid and synthesis of DNA. Sulfamethoxazole displays antibacterial activity against Streptococcus, Staphylococcus, Escherichia, Haemophilus, and Pneumocystis.

Product Info

Cas No.

723-46-6

Purity

≥98%

Formula

C10H11N3O3S

Formula Wt.

253.28

Chemical Name

4-Amino-N-(5-methyl-3-isoxazolyl)benzenesulfon- amide

IUPAC Name

4-amino-N-(5-methyl-1,2-oxazol-3-yl)benzenesulfonamide

Synonym

Sulfisomezole, Sulfamethylisoxazole, Sulfamethoxizole, Gantanol, Sinomin

Melting Point

169-172°C

Solubility

Insoluble in water.

Appearance

White to off white powder

Shipping and Storage

Store Temp

Ambient

Ship Temp

Ambient

Downloads

MSDS

S8248 MSDS PDF

Info Sheet

S8248 Info Sheet PDF

References

Jacobs RF, Wilson CB. Intracellular penetration and antimicrobial activity of antibiotics. J Antimicrob Chemother. 1983 Oct;12 Suppl C:13-20. PMID: 6605963.

Gleckman R, Alvarez S, Joubert DW. Drug therapy reviews: trimethoprim-sulfamethoxazole. Am J Hosp Pharm. 1979 Jul;36(7):893-906. PMID: 382841.

Lewis EL, Lacey RW. Present significance of resistance to trimethoprim and sulphonamides in coliforms, Staphylococcus aureus, and Streptococcus faecalis. J Clin Pathol. 1973 Mar;26(3):175-80. PMID: 4633678.

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

  • O4102

    Okadaic Acid Ammonium

    Shellfish toxin produced by dinoflagellates and...

    ≥98%
  • P6956

    Prostaglandin E1

    Endogenous prostaglandin, vasodilator.

    ≥98%
  • T8004

    Tubeimoside I

    Triterpene saponin originally found in Bolboste...

    ≥96%
  • C1649

    β-Cembrenediol

    Diterpene found in Anisomeles.

    ≥99%
  • I5208

    INCB-28060

    c-MET inhibitor.

    ≥98%
  • A2054

    Aflatoxin M2

    Mycotoxin produced by species of Aspergillus; D...

    ≥98%
  • A4445

    Allopurinol

    Purine (hypoxanthine) analog; xanthine oxidase ...

    ≥98%
  • O456505

    Olmutinib

    EGFR inhibitor.

    ≥98%
  • A1217

    Adefovir

    Acyclic nucleotide (adenosine) analog; viral DN...

    ≥98%
  • L0060

    Lappaconitine

    Alkaloid originally found in species of Aconitu...

    ≥95%
  • S8045

    S-Sulforaphane

    Synthetic antioxidant that induces phase II enz...

    ≥96%
  • A2050

    Aflatoxin G2

    Mycotoxin produced by species of Aspergillus; D...

    ≥98%
  • Y1000

    Y27632 Dihydrochloride

    ROCK inhibitor.  
    ≥99%
  • L2876

    Luteinizing Hormone Releasing Hormone III, lamprey

    Peptide hormone found in eels; GnRH agonist, we...

    ≥98%
  • T5605

    Tobramycin Sulfate

    Aminoglycoside; protein translation inhibitor.<...

    ≥98%
  • R0253

    Ranitidine Hydrochloride

    Histamine H2 inverse agonist.

    ≥98%
  • H966144

    6-Hydroxydopamine Hydrobromide

    Neurotoxin frequently used to aid in modeling P...

    ≥98%
  • A488240

    AMG-337

    Selective inhibitor of c-Met.

    ≥99%
  • E5569

    Enramycin B

    Polypeptide; peptidoglycan inhibitor.

    ≥83%
  • C7098

    Crystalline peptide

    Dipeptide.

    ≥95%

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