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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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[reference-standards] Voriconazole

Voriconazole

Product Number: C2674

CAS number: 137234-62-9

Synonyms: (alphaR,betaS)-alpha-(2,4-Difluorophenyl)-5-fluoro-beta-methyl-alpha-(1H-1,2,4-triazol-1-ylmethyl)-4-pyrimidineethanol

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[13C,2H3]-Mycophenolic acid-β-D-glucuronide

Product Number: C2566

CAS number: 31528-44-6 unlabeled

Synonyms: [13C,2H3]-Mycophenolic acid-beta-D-glucuronide, 5-[(2E)-5-Carboxy-3-methyl-2-penten-1-yl]-1,3-dihydro-6-methoxy-7-methyl-3-oxo-4-isobenzofuranyl ß-D-glucopyranosiduronic acid-13C-d3

[reference-standards] 5-Fluorocytosine

5-Fluorocytosine

Product Number: C4825

CAS number: 2022-85-7

Synonyms: 6-Amino-5-fluoropyrimidin-2(1H)-one, Flucytosine