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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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[13C12]-4,4'-DDT

Product Number: C2268

CAS number: 104215-84-1

Synonyms: [13C12]-1,1,1-Trichloro-2,2-bis(4-chlorophenyl)ethane, [13C12]-1,1-Bis(4-chlorophenyl)-2,2,2-trichloroethane

[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] Tolbutamide

Tolbutamide

Product Number: C4057

CAS number: 64-77-7

Synonyms: Toluina, Tolumid, Orinase

[reference-standards] o,p'-DDE

o,p'-DDE

Product Number: C4727

CAS number: 3424-82-6

Synonyms: o,p'-Dichlorodiphenyldichloroethylene