Trimethoprim
CAS: 738-70-5
Molecular Formula: C14H18N4O3
Molecular Weight: 290.32
Product Detail
| Product Code | 20124481 | ||||
| Product Name | Trimethoprim | ||||
| Categories | Antibiotics Bioactive Small Molecules | ||||
| CAS | 738-70-5 | ||||
| Molecular Formula | C14H18N4O3 | ||||
| Molecular Weight | 290.32 | ||||
| Storage Details | 2 to 8 °C | ||||
| Harmonised Tariff Code | 29335995 |
Product Specification
| Melting Point | 199 – 203°C | ||||
| Heavy metals | ≤20ppm | ||||
| Loss on Drying | ≤1.0% | ||||
| Solubility | Very slightly soluble in water, slightly soluble in alcohol, practically insoluble in ether | ||||
| Assay | 98.5 – 101% | ||||
| Related Substances | ≤0.2% | ||||
| Appearance of Solution | Not more intensely colored than reference solution BY7 | ||||
| Sulfated ash | ≤0.1% | ||||
| Infrared Absorption | In accordance with the spectrum of trimethoprim EPCRS | ||||
| Appearance | A white or yellowish-white powder |
Safety Information
| Pictograms | |||||
| Signal word | None | ||||
| Hazard statements | |||||
| Precautionary statements | P280: Wear protective gloves/protective clothing/eye protection/face protection |