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738-70-5 trimethoprim

product Name trimethoprim
CAS No 738-70-5
Synonyms trimethoprim crystalline; 5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diyldiamine; Antibiotic synergist; 5-((3,4,5-trimethoxyphenyl)methyl)-2,4-pyrimidinediamine; Trimethoprim(TMP)
Molecular Formula C14H18N4O3
Molecular Weight 290.32
InChI InChI=1/C14H18N4O3/c1-19-10-5-8(6-11(20-2)12(10)21-3)4-9-7-17-14(16)18-13(9)15/h5-7H,4H2,1-3H3,(H4,15,16,17,18)
EINECS 212-006-2
Molecular Structure 738-70-5 trimethoprim
Melting point 199-203℃
Water solubility <0.1 g/100 mL at 24℃

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Specifications W hite or yellowish white powder
Packing 25Kg/(Drum)
Description

Melting point: 199-203℃

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%

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