Product Category


  • Product Name : Trimethoprim
  • Grade : IP / BP / USP
  • Therapeutic Category : Folic Acid Antagonist
  • CAS No : 738-70-5
  • COA : Available
  • MSDS : Available
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Trimethoprim (INN) is a bacteriostatic antibiotic used mainly in the prophylaxis and treatment of urinary tract infections. It belongs to the class of chemotherapeutic agents known as dihydrofolate reductase inhibitors. Trimethoprim was formerly marketed by GlaxoSmithKline under trade names including Proloprim, Monotrim, and Triprim; but these trade names have been licensed to various generic pharmaceutical manufacturers.




Test  Item Analysis  Specification Result
Description White or yellowish white power white power

A Infrared Absorption

B: Ultraviolet Absorption

IR conforms to standard <197k>

Absorptivities, calculated on the dried basis, differ by NMT 3.0%<197u>





Melting point 190~203°C 201.5~201.8°C
Loss on drying ≤0.5% 0.1%
Residue on ignition ≤0.1% 0.02%
Chromatographic purity(HPLC) Individual impurity≤0.1%

Total impurities≤0.2%



Residual solvents Methanol  ≤3000 ppm

DMSO   ≤3000 ppm



Assay(Dry Basis) 98.5%~101.0% 100.3%
Conclusion The commodity meets the standard of USP 30.


Packaging details:


Packaging details: 25kg/drum with double plastic bags inside; packed in a cardboard drum or fiber HDPE drum.
Storage: Stored in a clean, cool, dry area; keep away from moisture and strong, direct light/heat
Shelf Life: 5 years if sealed and store away from direct sun light.

Additional Information

The most widely recognized markets for this item incorporate the accompanying nations. If you don’t mind ask with us if your nation or district isn’t recorded:

ASIA: Afghanistan, Israel, Jordan, Pakistan, Russia, Saudi Arabia, Singapore, Syria, Philippines, Turkey, Turkmenistan, Uzbekistan, Yemen, Vietnam, Indonesia, Malaysia, Iran, Tajikistan, and so forth.

AFRICA: South Africa, Uganda, Nigeria, Ghana, Kenya, Mauritius, Botswana, Egypt, Ethiopia, Libya, Sudan, Congo, Gambia, Ivory Coast , and so forth.

NORTH & SOUTH AMERICA: USA, Canada, Panama, Trinidad and Tobago, Costa Rica, Puerto Rico, Dominican Republic, Argentina, Guatemala, Guyana, Peru, Bolivia, Venezuela , Brazil, Bahamas, Ecuador, and so forth .

EUROPE: Austria , Azerbaijan, Belarus, Belgium, Cyprus, Czech Republic, Denmark, France, Georgia, Germany, Hungary, Ireland, Iceland, Netherlands, Norway, Poland, Spain, Sweden, Switzerland, Ukraine, United Kingdom (UK) , Latvia, and so forth.

OCEANIA: Australia, New Zealand, Fiji, and so forth.