Trimethoprim (TMP)

Name : Trimethoprim (TMP)
Product name : 5-((3,4,5-trimethoxyphenyl)methyl)-2,4-pyrimidinediamine
CAS : 738-70-5
Molecular formula: C14H18N4O3
Molecular weight : 290.32
Structural Formula:

Specification : meet the standard of BP98/EP97/BP2002/EP4/USP26
Appearance : White or yellowish white powder
Melting point : 199-203 ?
Assay : 99.0-101.0%
Loss on drying :=0.5%
Related substances : =0.2%
Usage : Cure pneogaster infection, chronic senile bronchitis, bacillary dysentery, urinary tract infection, pyelon-dphristis, enteritis typhoid, gonorrhea and some specific lesion etc.
Packing : 25 kgs paper drum