Trimethoprim CAS NO.738-70-5

CAS NO

738-70-5

Cate

Pharmaceutical Material

Product Name

5-((3,4,5-trimethoxyphenyl)methyl)-2,4-pyrimidinediamine

molecular formula

C₁₄H₁₈N₄O₃

Molecular Weigh

290.32

Structural Formula

Standard

BP98/EP97/BP2000/CP2000
BP2001/BP2002/EP4/USP24/25/26

Package

25Kg/(Drum)

Specification

Appearance:White or yellowish white powder
Melting point:199-203 ^oC
Assay: 98.5%-101.0%(BP);99.0-101.0%(CP)
Loss on drying: ≤1.0%(BP);≤0.5%(USP,CP)
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