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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] Imepitoin

Imepitoin

Product Number: C6101

CAS number: 188116-07-6

Synonyms: Pexion, ELB138, AWD-131-138, 3-(4-Chlorophenyl)-5-morpholin-4-yl-4H-imidazol-2-one

[reference-standards] Amyloid β (1-42), human

Amyloid β (1-42), human

Product Number: C4977

CAS number: 107761-42-2

Synonyms: Amyloid beta (1-42), human, L-alpha-Aspartyl-L-alanyl-L-alpha-glutamyl-L-phenylalanyl-L-arginyl-L-histidyl-L-alpha-aspartyl-L-serylglycyl-L-tyrosyl-L-alpha-glutamyl-L-valyl-L-histidyl-L-histidyl-L-glutaminyl-L-lysyl-L-leucyl-L-valyl-L-phenylalanyl-L-phenylalanyl-L-alanyl-L-alpha-glutamyl-L-alpha-aspartyl-L-valylglycyl-L-seryl-L-asparaginyl-L-lysylglycyl-L-alanyl-L-isoleucyl-L-isoleucylglycyl-L-leucyl-L-methionyl-L-valylglycylglycyl-L-valyl-L-valyl-L-isoleucyl-L-alanine

[stable-labeled-standards] [13C2]-4-Aminobutyric acid

4-Aminobutyric acid

Product Number: C273

CAS number: 56-12-2 unlabeled

Synonyms: [1,2-13C2]-4-Aminobutanoic acid, [1,2-13C2]-Piperidinic acid, [1,2-13C2]-GABA

[reference-standards] Tacrine

Tacrine

Product Number: C4499

CAS number: 321-64-2

Synonyms: 9-Amino-1,2,3,4-tetrahydroacridine