Trimethoprim
甲氧苄啶
Also known as: 5-[(3,4,5-trimethoxyphenyl)methyl]pyrimidine-2,4-diamine, 5-(3,4,5-Trimethoxybenzyl)-2,4-pyrimidinediamine, 2,4-diamino-5-(3,4,5-trimethoxybenzyl)pyrimidine, TMP, Proloprim, Trimpex, Monotrim, Triprim, Syraprim, Bactramin
- CAS No.
- 738-70-5
- Jingsj CID
- J-37853-6
- Molecular Formula
- C14H18N4O3
- Chinese Name
- 甲氧苄啶
- Molecular Weight
- 290.318 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 199-203 °C |
|---|---|
| Boiling Point | 405.2±55.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 198.8±31.5 °C |
Frequently Asked Questions
What is the CAS number of Trimethoprim?
738-70-5
What are the molecular formula and molecular weight of Trimethoprim?
C14H18N4O3, molecular weight 290.318 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026