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Alsachim offers you its expertise and know-how in isotope enrichment labeling (13C, 2H, 15N, 18O, 34S) to quantify your compounds by LC-MS/MS analysis. Our teams synthesize labeled internal standards and reference standards, as well as metabolites and building blocks.

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[2H3]-Nevirapine

Product Number: C1946

CAS number: 129618-40-2 unlabeled

Synonyms: 11-Cyclopropyl-5,11-dihydro-4-methyl-6H-dipyrido[3,2-b:2',3'-e][1,4]diazepin-6-one-d4

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[13C6]-Etravirine

Product Number: C2355

CAS number: 1261392-42-0

Synonyms: 4-[[6-Amino-5-bromo-2-[(4-cyanophenyl)amino]-4-pyrimidinyl]oxy]-3,5-dimethyl-benzonitrile-13C6

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[13C6]-Rilpivirine

Product Number: C2526

CAS number: 500287-72-9 unlabeled

Synonyms: 4-[[4-[[4-[(1E)-2-Cyanoethenyl]-2,6-dimethylphenyl]amino]-2-pyrimidinyl]amino]-benzonitrile-13C6

[metabolites] 8-Hydroxyefavirenz

8-Hydroxyefavirenz

Product Number: C958

CAS number: 205754-33-2

Synonyms: P450 (CYP) metabolite, Phase I metabolite of efavirenz, CYP2B6 reference metabolite

[metabolites] Monohydroxy-etravirine

Monohydroxy-etravirine

Product Number: C3910

CAS number: 1246815-68-8

Synonyms: Etravirine metabolite, 4-[[6-amino-5-bromo-2-[(4-cyanophenyl)amino]-4-pyrimidinyl]oxy]-3-(hydroxymethyl)-5-methyl-Benzonitrile