• 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
Trimethoprim

Trimethoprim

Product ID T7034
Cas No. 738-70-5
Purity ≥98%
Product Unit SizeCostQuantityStock
5 g $81.70 In stock
25 g $255.30 In stock
100 g $714.70 In stock
Bulk Quote

Quicklinks

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

Description

Trimethoprim is an antibiotic that inhibits dihydrofolate reductase, acting as an anti-folate. Trimethoprim exhibits antibacterial activity against both gram positive and gram negative bacteria and is clinically used to treat urinary tract infections.

Product Info

Cas No.

738-70-5

Purity

≥98%

Formula

C14H18N4O3

Formula Wt.

290.32

Chemical Name

5-[(3,4,5-Trimethoxyphenyl)methyl]-2,4- pyrimidinediamine

IUPAC Name

5-[(3,4,5-trimethoxyphenyl)methyl]pyrimidine-2,4-diamine

Synonym

Instalac, Monotrim, Proloprim, Trimopan, Trimpex, Wellcoprim

Melting Point

199-203°C

Solubility

Soluble in DMAC, or benzyl alcohol. Slightly soluble in propylene glycol, chloroform, methanol and water.

Appearance

White or yellowish white powder

Shipping and Storage

Store Temp

Ambient

Ship Temp

Ambient

Downloads

MSDS

T7034 MSDS PDF

Info Sheet

T7034 Info Sheet PDF

References

Singh P, Kaur M, Sachdeva S. Mechanism inspired development of rationally designed dihydrofolate reductase inhibitors as anticancer agents. J Med Chem. 2012 Jul 26;55(14):6381-90. PMID: 22734697.

Sangurdekar DP, Zhang Z, Khodursky AB. The association of DNA damage response and nucleotide level modulation with the antibacterial mechanism of the anti-folate drug trimethoprim. BMC Genomics. 2011 Nov 28;12:583. PMID: 22122981.

Brogden RN, Carmine AA, Heel RC, et al. Trimethoprim: a review of its antibacterial activity, pharmacokinetics and therapeutic use in urinary tract infections. Drugs. 1982 Jun;23(6):405-30. PMID: 7049657.

Ho YB, Zakaria MP, Latif PA, Saari N. Occurrence of veterinary antibiotics and progesterone in broiler manure and agricultural soil in Malaysia. Sci Total Environ. 2014 Aug 1;488-489:261-267. PMID: 24836135.

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

  • A8644

    AVL-292

    BTK inhibitor.

    ≥98%
  • K1650

    Kemptide

    PKA substrate.

    ≥95%
  • D1774

    Desloratadine

    Loratadine metabolite; FIASMA, histamine H1 ant...

    ≥97%
  • G4799

    Glycitin

    Glycosylated isoflavone found in soy; TAS2R ago...

    ≥98%
  • G3453

    20(S)-Ginsenoside Rh2

    Triterpene saponin found in Panax.

    ≥98%
  • O9210

    Oxcarbazepine

    α4β2 nAChR desensitizer, delayed-rectifier vo...

    ≥98%
  • R5745

    Rolipram

    Anxiolytic-like agent that stimulates angiogene...

    ≥98%
  • S7970

    Strontium Ranelate

    Bone deterioration inhibitor, potential CaR ago...

    ≥98%
  • G0044

    Galantide

    Peptide; galanin antagonist.

    ≥95%
  • C577524

    Concanamycin A

    Macrolide lactone antibiotic.

    ≥98%
  • P2818

    Phentolamine Methanesulfonate

    ATP-sensitive K+ channel activator, α-adrenerg...

    ≥98%
  • F5868

    Formoterol Fumarate Dihydrate

    β2-adrenergic agonist.

    ≥98%
  • E9201

    EX-527

    SIRT1 inhibitor.

    ≥99%
  • V574451

    Volitinib

    c-Met inhibitor.

    ≥98%
  • A5033

    4-Aminosalicylic Acid

    Dihydrofolate reductase inhibitor.

    ≥98%
  • S8098

    SU-1498

    Tyrphostin; VEGFR inhibitor.

    ≥99%
  • A5132

    Amikacin Disulfate

    Aminoglycoside; protein translation inhibitor.<...

    ≥98%
  • N4524

    NLG919

    Indoleamine-2,3-dioxygenase inhibitor.

    ≥98%
  • A1318

    Adenine

    Endogenous purine nucleotide base, required for...

    ≥98%
  • T1672

    Terbinafine Hydrochloride

    Allylamine; squalene oxidase and KSR1 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

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