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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

[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

[reference-standards] Zalcitabine

Zalcitabine

Product Number: C3738

CAS number: 7481-89-2

Synonyms: ddC, 2',3'-Dideoxycytidine

[reference-standards] Floxuridine

Floxuridine

Product Number: C6050

CAS number: 50-91-9

Synonyms: 5-FUdR, 5-Fluorodeoxyuridine, 5-Fluoro-1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidine-2,4-dione

[reference-standards] Calcium levofolinate

Calcium levofolinate

Product Number: C6053

CAS number: 80433-71-2

Synonyms: Elvorine, Isovorin, Calcium (2S)-2-[[4-[[(6S)-2-amino-5-formyl-4-oxo-1,6,7,8-tetrahydropteridin-6-yl]methylamino]benzoyl]amino]pentanedioate