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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.

23 products

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[reference-standards] Triclosan

Triclosan

Product Number: C4536

CAS number: 3380-34-5

Synonyms: Irgasan, 5-Chloro-2-(2,4-dichlorophenoxy)phenol

[reference-standards] Enfuvirtide

Enfuvirtide

Product Number: C6221

CAS number: 159519-65-0

Synonyms: T-20, N-Acetyl-L-tyrosyl-L-threonyl-L-seryl-L-leucyl-L-isoleucyl-L-histidyl-L-seryl-L-leucyl-L-isoleucyl-L-alpha-glutamyl-L-alpha-glutamyl-L-seryl-L-glutaminyl-L-asparaginyl-L-glutaminyl-L-glutaminyl-L-alpha-glutamyl-L-lysyl-L-asparaginyl-L-alpha-glutamyl-L-glutaminyl-L-alpha-glutamyl-L-leucyl-L-leucyl-L-alpha-glutamyl-L-leucyl-L-alpha-aspartyl-L-lysyl-L-tryptophyl-L-alanyl-L-seryl-L-leucyl-L-tryptophyl-L-asparaginyl-L-tryptophyl-L-phenylalaninamide

[reference-standards] Boscalid

Boscalid

Product Number: C6368

CAS number: 188425-85-6

Synonyms: 2-Chloro-N-(4'-chlorobiphenyl-2-yl)nicotinamide, Endura, BAS 510F, Nicobifen

[metabolites] 8-Hydroxyefavirenz

8-Hydroxyefavirenz

Product Number: C958

CAS number: 205754-33-2

Synonyms: P450 (CYP) metabolite, Phase I metabolite of efavirenz, CYP2B6 reference metabolite

[reference-standards] Etravirine

Etravirine

Product Number: C2354

CAS number: 269055-15-4

Synonyms: 4-[[6-Amino-5-bromo-2-[(4-cyanophenyl)amino]-4-pyrimidinyl]oxy]-3,5-dimethyl-benzonitrile