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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] 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

[metabolites] Torsemide metabolite

Torsemide metabolite

Product Number: C4730

CAS number: 113844-99-8

Synonyms: 3-[[3-[[[[(1-methylethyl)amino]carbonyl]amino]sulfonyl]-4-pyridinyl]amino]-benzoic acid

[metabolites] 4-Hydroxytriamterene

4-Hydroxytriamterene

Product Number: C5561

CAS number: 1226-52-4

Synonyms: 4-Hydroxydyrenium, 2,4,7-Triamino-6-(4-hydroxyphenyl)-pteridine