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.
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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CAS 1189923-38-3
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IEDVJHCEMCRBQM-HPRDVNIFSA-N
[2H]C([2H])([2H])OC1=C(C=C(C=C1OC)CC2=CN=C(N=C2N)N)OC