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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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[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] Sofosbuvir metabolite GS-566500

Sofosbuvir metabolite GS-566500

Product Number: C5767

CAS number: 1233335-78-8

Synonyms: PSI 352707, N-[(2'R)-2'-Deoxy-2'-fluoro-2'-methyl-5'-uridylyl]-L-alanine, O-Desisopropyl-O-Desphenyl Sofosbuvir

[metabolites] Tenofovir alafenamide

Tenofovir alafenamide

Product Number: C6620

CAS number: 379270-37-8

Synonyms: GS-7171 fumarate // [2H6]-N-[[[(1R)-2-(6-Amino-9H-purin-9-yl)-1-methylethoxy]methyl]phenoxyphosphinyl]-1-methylethyl ester-L-alanine fumarate