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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] Paricalcitol

Paricalcitol

Product Number: C1154

CAS number: 131918-61-1

Synonyms: 19-Nor-1,25-dihydroxyvitamin D2

[reference-standards] L-DOPA

L-DOPA

Product Number: C7487

CAS number: 59-92-7

Synonyms: Levodopa