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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] 11-Deoxycortisol

11-Deoxycortisol

Product Number: C5000

CAS number: 152-58-9

Synonyms: Cortexolone, 17,21-Dihydroxyprogesterone, Reichstein's substance S, 11-Deoxy-17-hydroxycorticosterone

[reference-standards] Cortisol

Cortisol

Product Number: C3349

CAS number: 50-23-7

Synonyms: Hydrocortisone

[reference-standards] Didanosine

Didanosine

Product Number: C3058

CAS number: 69655-05-6

Synonyms: 2',3'-Dideoxyinosine

[reference-standards] Stavudine

Stavudine

Product Number: C3250

CAS number: 3056-17-5

Synonyms: 2',3'-Didehydro-3'-deoxy-thymidine

[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