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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] Isoliquiritigenin

Isoliquiritigenin

Product Number: C6247

CAS number: 961-29-5

Synonyms: (E)-1-(2,4-Dihydroxyphenyl)-3-(4-hydroxyphenyl)prop-2-en-1-one

[reference-standards] Imrecoxib

Imrecoxib

Product Number: C5935

CAS number: 395683-14-4

Synonyms: BAP-909, 4-(4-(Methylsulfonyl)phenyl)-1-propyl-3-(p-tolyl)-1H-pyrrol-2(5H)-one

[metabolites] 7-Hydroxycoumarin

7-Hydroxycoumarin

Product Number: C3351

CAS number: 93-35-6

Synonyms: Phase I metabolite of coumarin (CYP2A6), P450 (CYP) metabolite

[reference-standards] Acetaminophen

Acetaminophen

Product Number: C1609

CAS number: 103-90-2

Synonyms: Acetoaminophenol, N-(4-Hydroxyphenyl)-acetamide, N-Acetyl p-aminophenol, Paracetamol