Trimethoprim

Short Description:



CAS Number: 738-70-5
Molecular Formula: C14H18N4O3
Standard: USP32
Package: 25kg/drum

Description:



CAS Number: 738-70-5
Molecular Formula: C14H18N4O3
Standard: USP32
Package: 25kg/drum

ITEMS LIMIT
Identification IR-spectrum <197s>
Compare TMP CRS
Specific absorbance max 287nm do not differ by more than 3.0%
Melting Point 199 – 203℃
Total impurities NMT 0.2%
Inc. imp. F NMT 0.1%
Loss on drying NMT 0.5%
Sulphated Ash NMT 0.1%
Assay 98.5% – 101.0%
Residule Solvent Should Conform to

 


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