Contamination and Impurities
Regulatory Consultations

Technical Data

CAS Number

738-70-5

Alternate CAS#

NA

Molecular Formula

C14H18N4O3

Molecular Weight

290.32 g/mol

IUPAC Chemical Name

5-(3,4,5-trimethoxybenzyl)pyrimidine-2,4-diamine

Synonyms

5-(3,4,5-Trimethoxybenzyl)pyrimidine-2,4-diamine; Trimogal, Trimopan, Trimpex, Triprim

USP Name

Trimethoprim

EP Name

Trimethoprim

Appearance Specifications

White to Off-White Solid

Storage Condition

Refrigerator, Under inert atmosphere, protect from light

Material Type

Primary Standard

Melting Point

200 °C

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