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.
38 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: C349
CAS number: 93968-79-7
Synonyms: [2H3]-N-Acetylmesalamine, [2H3]-N-Acetylmesalazine
![[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
![[metabolites] Sofosbuvir metabolite GS-566500](https://www.alsachim.com/16744-list_image/Sofosbuvir-metabolite-GS-566500.jpg)
Product Number: C5767
CAS number: 1233335-78-8
Synonyms: PSI 352707, N-[(2'R)-2'-Deoxy-2'-fluoro-2'-methyl-5'-uridylyl]-L-alanine, O-Desisopropyl-O-Desphenyl Sofosbuvir
![[metabolites] Sofosbuvir metabolite GS-606965](https://www.alsachim.com/16745-list_image/Sofosbuvir-metabolite-GS-606965.jpg)
Product Number: C5768
CAS number: 1015073-43-4
Synonyms: PSI 7411, (2'R)-2'-Deoxy-2'-fluoro-2'-methyl-5'-uridylic acid
![[metabolites] Tenofovir alafenamide](https://www.alsachim.com/17013-list_image/Tenofovir-alafenamide.jpg)
Product Number: C6620
CAS number: 379270-37-8
Synonyms: GS-7171 fumarate // [2H6]-N-[[[(1R)-2-(6-Amino-9H-purin-9-yl)-1-methylethoxy]methyl]phenoxyphosphinyl]-1-methylethyl ester-L-alanine fumarate
Product Number: C7643
CAS number: 371753-19-4 unlabeled
Synonyms: trans-Hydroxy Loxoprofen-13C-d3 (Mixture of Isomers)
![[metabolites] Tenofovir diphosphate](https://www.alsachim.com/17017-list_image/Tenofovir-diphosphate-salt.jpg)
![[metabolites] 3-Hydroxyibuprofen](https://www.alsachim.com/17198-list_image/3-Hydroxyibuprofen.jpg)
![[metabolites] 5-Carboxymeloxicam](https://www.alsachim.com/18048-list_image/5-Carboxymeloxicam.jpg)
![[metabolites] 5-Hydroxymeloxicam](https://www.alsachim.com/18049-list_image/5-Hydroxymeloxicam.jpg)