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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] 5-Fluorocytosine

5-Fluorocytosine

Product Number: C4825

CAS number: 2022-85-7

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

[building-blocks] Acylated arbutin

Acylated arbutin

Product Number: C316

CAS number: 6129-66-4

Synonyms: (2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(4-hydroxyphenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate, acylated arbutine