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Postion:Product Catalog >API>Synthetic Anti-infective Drugs>Sulfonamides and synergist>Trimethoprim
Trimethoprim
  • Trimethoprim

Trimethoprim NEW

Price $50
Package 1KG
Min. Order: 1KG
Supply Ability: 1 ton
Update Time: 2026-05-28

Product Details

Product Name: Trimethoprim CAS No.: 738-70-5
EC-No.: 212-006-2 Min. Order: 1KG
Purity: 99 Supply Ability: 1 ton
Release date: 2026/05/28
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 Trimethoprim suppliers in China safe delievry 


Chemical Name: Trimethoprim (TMP)

Abaprim;5-((3,4,5-trimethoxyphenyl)methyl)-2,4-pyrimidinediamine;5-(3,4,5-trimethoxybenzyl)-2,4-diaminopyrimidine

CAS: 738-70-5

EINECS No.: 212-006-2

Formula: C14H18N4O3

Molecular Weight: 290.32

Purity: 99.8%

Appearance: White or yellowish-white powder

BP/USP Pharmaceutical



Melting point 199-203 °C
Boiling point 432.41°C (rough estimate)
density 1.1648 (rough estimate)
refractive index 1.6000 (estimate)
storage temp. 2-8°C
solubility DMSO: soluble
form white powder
pka6.6(at 25℃)
color colorless or white
Water Solubility <0.1 g/100 mL at 24 oC




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  • Since: 2021-12-10
  • Address: Qiaoxi District ,Shijiazhuang city, Hebei,Chicna
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