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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] 4'-Demethylepipodophyllotoxin

4'-Demethylepipodophyllotoxin

Product Number: C6030

CAS number: 6559-91-7

Synonyms: 4'-DMEP, (5S,5aR,8aR,9R)-5-Hydroxy-9-(4-hydroxy-3,5-dimethoxyphenyl)-5a,6,8a,9-tetrahydro-5H-[2]benzofuro[5,6-f][1,3]benzodioxol-8-one

[reference-standards] Vincristine

Vincristine

Product Number: C6039

CAS number: 57-22-7

Synonyms: Leurocristine, Oncovine, Citomid, 22-Oxovincaleukoblastine

[reference-standards] Epothilone D

Epothilone D

Product Number: C6040

CAS number: 189453-10-9

Synonyms: KOS-862, 12,13-Desoxyepothilone B, (4S,7R,8S,9S,13Z,16S)-4,8-Dihydroxy-5,5,7,9,13-pentamethyl-16-[(E)-1-(2-methyl-1,3-thiazol-4-yl)prop-1-en-2-yl]-1-oxacyclohexadec-13-ene-2,6-dione

[reference-standards] Zidovudine

Zidovudine

Product Number: C2810

CAS number: 30516-87-1

Synonyms: 3'-Azido-3'-deoxy-thymidine, AZT