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Trimethoprim Structure

Product Type

API

Grade

BP/USP

Chemical Formula

C14H18N4O3

IUPAC Name

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

CAS No.

738-70-5

Molecular Weight

290.32 g/mol

Chemical Class

Antibacterial (dihydrofolate reductase inhibitor)

Synonyms

PHYSIOCHEMICAL PROPERTIES

Appearance White to off-white crystalline powder
Solubility Freely soluble in methanol, ethanol, chloroform
Melting point ~199–203 °C
pH ~6 to 8

Product Description

An antibiotic is used on its own to treat urinary tract infections, or in combination with other antibiotics to treat a variety of eye, lung, and gastrointestinal infections.

How Trimethoprim Works

Trimethoprim inhibits bacterial dihydrofolate reductase, preventing the formation of tetrahydrofolic acid, thereby disrupting DNA synthesis and bacterial growth.

Use(s)

Adverse Effects

Why choose Salius for Trimethoprim?

  1. Regulatory-Grade Manufacturing Standards
    They maintain WHO GMP compliance, with some facilities FDA certified, and follow stringent internal QC protocols. Every batch is tested in state-of-the-art labs before release
  2. Cost-Effectiveness
    As a generic manufacturer and export house, Salius aims to deliver high-quality APIs at competitive prices—a key advantage for cost-sensitive markets.
  3. Global Export Experience & Documentation Support
    Salius regularly exports APIs, provides regulatory documents (DMF, impurity profiles), and supports filings for international clients—even in stringent regulated markets
  4. Documents We Provide
  5. Transparency & Trustworthiness
    They present as a government-recognized star export house with strong quality and delivery ratings.
Attribute Why Salius Pharma Is a Good Choice
Quality Certification WHO GMP, ISOu202f9001:2015, FDA audited facilities
Affordability & Generic Access Cost competitive generics for global supply
Export Experience Proven track record of supplying globally

What You Receive in Our Package

When you order from Salius Pharma, you receive more than just a product — you receive a complete, professionally prepared package that meets international regulatory and quality expectations.

Each Shipment Includes:

Product

Expected Delivery Time

We ensure prompt and reliable shipping worldwide. Delivery times vary depending on destination, order volume, and regulatory requirements.

Overall Delivery Time:

7 to 21 business days from dispatch, depending on your location.

FAQs

Bactrim and Septra are brand names for a combination of Trimethoprim + Sulfamethoxazole (TMP-SMX), Trimethoprim alone is a single-drug antibiotic, used for milder infections.

Usually, in tablet or liquid form, with or without food. Always follow your doctor’s instructions on dosage and duration. Complete the full course even if symptoms improve early.

No. It's mainly effective against Gram-negative bacteria and some Gram-positive ones. It does not work on viral infections (like colds or flu).

Salius Pharma supplies Trimethoprim as an Active Pharmaceutical Ingredient (API) and can also arrange finished dosage forms upon request

To order Trimethoprim API, you typically contact a certified pharmaceutical supplier like Salius Pharma. You’ll need to provide details such as desired quantity, intended market, regulatory requirements (e.g., DMF or GMP certificates), and packaging preferences.

Salius Pharma exports Trimethoprim to various countries worldwide, including regions such as Asia, Europe, the Middle East, Africa, North America & South America

Place an Order or Request a Quote

Looking to source Trimethoprim or other high-quality pharmaceutical products? We’re here to help. Whether you need Active Pharmaceutical Ingredients (APIs), finished formulations, or regulatory support, our team is ready to provide dependable, compliant, and cost-effective solutions tailored to your market needs.

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