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Home/Compounds/Research Reagent/5-({3,5-Dimethoxy-4-[(²H₃)methyloxy]phenyl}methyl)pyrimidine-2,4-diamine
C14H18N4O3
293.34 g/mol
Research Reagent

Trimethoprim-d3 (Major)

CAS1189923-38-3
Category
Research Reagent
Compound Class
Amine
Primary Use
Research Compound

Trimethoprim-d3 (Major) is a deuterated analogue of the antibiotic trimethoprim, used primarily as a research reference standard in analytical and pharmaceutical development. The compound features a trideuteriomethoxy group at the 4-position of the aromatic ring, providing a stable isotopic label for mass spectrometry and other quantitative studies.

Deuterated internal standard for analytical quantificationReference standard for pharmaceutical impurity profilingLaboratory reagent for method development in bioanalysis

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Identifiers
IUPAC Name

5-[[3,5-dimethoxy-4-(trideuteriomethoxy)phenyl]methyl]pyrimidine-2,4-diamine

InChIKey

IEDVJHCEMCRBQM-HPRDVNIFSA-N

SMILES

[2H]C([2H])([2H])OC1=C(C=C(C=C1OC)CC2=CN=C(N=C2N)N)OC

Synonyms (8)
  • Trimethoprim-d3 (Major)