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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] Cortisol

Cortisol

Product Number: C3349

CAS number: 50-23-7

Synonyms: Hydrocortisone

[reference-standards] Glycolithocholic acid

Glycolithocholic acid

Product Number: C4625

CAS number: 474-74-8

Synonyms: Glycholithocholic acid 3 sulfate intermediate, Lithocholylglycine