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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] 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] Warfarin sodium salt

Warfarin sodium salt

Product Number: C5811

CAS number: 129-06-6

Synonyms: Coumadin sodium salt, 4-Hydroxy-3-(3-oxo-1-phenylbutyl)-2H-1-Benzopyran-2-one, sodium salt (1:1)

[reference-standards] Warfarin

Warfarin

Product Number: C2641

CAS number: 81-81-2

Synonyms: 4-Hydroxy-3-(3-oxo-1-phenylbutyl)-2H-1-benzopyran-2-one, Coumadine

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[2H6]-Warfarin

Product Number: C350

CAS number: 1261395-69-0

Synonyms: 4-Hydroxy-3-(3-oxo-1-phenylbutyl)-2H-1-benzopyran-2-one-d6, Coumadine-d6