Trimethoprim
(20124481 | 738-70-5)

CAS: 738-70-5
Molecular Formula: C14H18N4O3
Molecular Weight: 290.32
Availablility: In Stock
Downloads: Product Specification | Safety Data Sheet [EN]
Trimethoprim Chemical Structure

20124481-1g 1g £19.80
20124481-25g 25g £86.90
Bulk Order
20124481-1g 1g €29.70
20124481-25g 25g €130.35
Bulk Order
20124481-1g 1g $35.64
20124481-25g 25g $156.42
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Safety Data Sheet
Certificate of Analysis

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 Deg 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

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