CAS Registry Number

CAS 738-70-5 — Trimethoprim

CAS 738-70-5 C14H18N4O3 MW 290.32

Trimethoprim is a synthetic antibacterial agent used primarily in combination with sulfamethoxazole to treat bacterial infections. It functions by inhibiting bacterial dihydrofolate reductase, disrupting folate metabolism. Available as a white to off-white crystalline powder, it has a CAS number of 738-70-5, molecular formula C14H18N4O3, and molecular weight of 290.32 g/mol. Store at 2 to 8 °C. Hazard classification includes signal word Danger. Molekula supplies Trimethoprim from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: Trimethoprim USP CRS

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Molekula products for CAS 738-70-5

Trimethoprim

SKU 20124481

In stock Antibiotics

Trimethoprim USP CRS

SKU 90037622

Made to order Antibiotics

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.