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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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[stable-labeled-standards] [13C6]-Sotalol

Sotalol

Product Number: C2547

CAS number: 3930-20-9 unlabeled

Synonyms: [13C6]-N-[4-[1-Hydroxy-2-[(1-methylethyl)amino]ethyl]phenyl]-methanesulfonamide

[reference-standards] Desonide

Desonide

Product Number: C2655

CAS number: 638-94-8

Synonyms: (11ß,16alpha)-11,21-Dihydroxy-16,17-[(1-methylethylidene)bis(oxy)]-pregna-1,4-diene-3,20-dione

[reference-standards] Tolbutamide

Tolbutamide

Product Number: C4057

CAS number: 64-77-7

Synonyms: Toluina, Tolumid, Orinase