Product Name: Trimethoprim
CAS: 738-70-5
MF: C14H18N4O3
MW: 290.32
EINECS: 212-006-2
Melting point: 199-203 °C
Boiling point: 432.41°C (rough estimate)
Density: 1.1648 (rough estimate)
Refractive index: 1.6000 (estimate)
Storage temp: 2-8°C
Solubility DMSO: soluble
Pka: 6.6(at 25℃)
Form: white powder
Color: colorless or white
Water Solubility: <0.1 g/100 mL at 24 ºC
Merck: 14,9709
BRN: 625127
| Product Name | Trimethoprim |
| Appearance | White powder |
| Purity | 98.5%-101.0%(BP)；99.0-101.0%(CP) |
| Loss on drying | ≤1.0%(BP)；≤0.5%(USP、CP) |
| Related substances | ≤0.2% |
Antibacterial drugs, the scope of antibacterial is similar to sulfa drugs, combined with sulfa drugs or antibiotics, can greatly improve the efficacy of drugs.
Used in the production of compound trimethoprim, compound cephalexin trimethoprim, Zengxiaoliansu tablets, compound artemisinin tablets
Store in cold and dry conditions, in a ventilated area away from heating and incompatible materials, sealed and stored
Stable. Incompatible with strong oxidizing agents, acids.