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.
58 products
Product Number: C6621
CAS number: 390409-17-3 unlabeled
Synonyms: GS-7171 fumarate // [2H6]-N-[[[(1R)-2-(6-Amino-9H-purin-9-yl)-1-methylethoxy]methyl]phenoxyphosphinyl]-1-methylethyl ester-L-alanine fumarate-d6
Product Number: C8884
CAS number: 3258-02-4 unlabeled
Synonyms: [13C,15N2]-NHC, [13C,15N2]-EIDD-1931
Product Number: C8882
CAS number: 2349386-89-4 unlabeled
Synonyms: MK-4482, [13C,15N2]-Molnupiravir
Product Number: C2599
CAS number: 325484-33-1
Synonyms: 3'-Azido-3'-deoxy-thymidine-13C-d3, AZT-13C-d3
Product Number: C1634
CAS number: 3387-36-8 unlabeled
Product Number: C4030
CAS number: 330600-85-6 unlabeled
Synonyms: [13C,15N2]-Rapiacta
![[metabolites] Lamivudine Triphosphate triethylammonium salt](https://www.alsachim.com/19382-list_image/Lamivudine-Triphosphate-triethylammonium-salt.jpg)
Product Number: C6095
CAS number: 1187058-42-9
Synonyms: Lamivudine metabolite
![[reference-standards] Warfarin sodium salt](https://www.alsachim.com/16776-list_image/Warfarin-sodium-salt.jpg)
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] N4-hydroxycytidine](https://www.alsachim.com/20629-list_image/N4-hydroxycytidine.jpg)
![[reference-standards] EIDD-2801](https://www.alsachim.com/20631-list_image/EIDD-2801.jpg)
![[reference-standards] Vapendavir](https://www.alsachim.com/19533-list_image/Vapendavir.jpg)
![[reference-standards] Brivudine](https://www.alsachim.com/19884-list_image/Brivudine.jpg)
![[reference-standards] Letermovir, racemic mixture](https://www.alsachim.com/16671-list_image/Letermovir-racemic-mixture.jpg)
![[reference-standards] Carbidopa monohydrate](https://www.alsachim.com/16993-list_image/Carbidopa-monohydrate.jpg)