Products
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.
157 products
[13C9,15N,18O3]-Nicotinamide riboside monophosphate
Product Number: C7991
CAS number: 1094-61-7 unlabeled
[13C4]-Vitamin B1 hydrochloride
Product Number: C4771
CAS number: 1257525-77-1
Synonyms: Thiamine-13C4 hydrochloride salt
[13C,2H6]-Faldaprevir
Product Number: C3759
CAS number: 801283-95-4 unlabeled
Synonyms: [13C,2H6]-BI 201335
![[reference-standards] Asenapine maleate salt, racemic mixture](https://www.alsachim.com/14588-list_image/Asenapine-maleate-salt-racemic-mixture.jpg)
[13C6]-N-Desmethylasenapine hydrochloride salt, racemic mixture
Product Number: C2586
CAS number: 1261393-91-2 free base
![[metabolites] N-Desmethylasenapine hydrochloride salt, racemic mixture](https://www.alsachim.com/15674-list_image/N-Desmethylasenapine-hydrochloride-salt-racemic-mixture.jpg)
N-Desmethylasenapine hydrochloride salt, racemic mixture
Product Number: C3339
CAS number: 128915-56-0 free base
[13C,2H3]-Asenapine maleate salt, racemic mixture
Product Number: C1093
CAS number: 1217729-73-1 free base
![[reference-standards] (-)-Riboflavin](https://www.alsachim.com/15783-list_image/--Riboflavin.jpg)
[13C4,15N2]-(-)-Riboflavin
Product Number: C7273
CAS number: 83-88-5 unlabeled
Synonyms: [13C4,15N2]-Vitamin B2
[2H5]-Pyridoxine hydrochloride salt
Product Number: C1364
CAS number: 82896-38-6
Synonyms: [2H5]-Pyridoxin, [2H5]-Pirivitol, [2H5]-Bezatin, [2H5]-Adermin, [2H5]-Pyridoxol, [2H5]-2-Methyl-4,5-bis(hydroxymethyl)-3-hydroxypyridine, [2H5]-5-Hydroxy-6-methyl-3,4-pyridinedimethanol
[2H4]-Nicotinuric acid
Product Number: C1389
CAS number: 1216737-36-8
Synonyms: [2H4]-(Nicotinyl)glycine, [2H4]-(Nicotinoyl)glycine, [2H4]-NSC 71273, [2H4]-2-(Nicotinylamino)acetic Acid, [2H4]-N-(Nicotinoyl)-glycine, [2H4]-N-[(3-Pyridinyl)carbonyl]glycine
[13C3,2H,15N]-Nicotinic acid
Product Number: C5188
CAS number: 59-67-6 unlabeled
Synonyms: [13C3,2H,15N]-Niacin
[13C5,15N]-Elbasvir
Product Number: C5806
CAS number: 1444832-51-2 unlabeled
Synonyms: [13C5, 15N]- MK8742, [13C5, 15N]-MK-8742
![[reference-standards] GS-7171](https://www.alsachim.com/19391-list_image/GS-7171.jpg)
![[reference-standards] GS-7171 fumarate salt](https://www.alsachim.com/19405-list_image/GS-7171-fumarate-salt.jpg)
GS-7171 fumarate salt
Product Number: C6138
CAS number: 390409-17-3
Synonyms: N-[[[(1R)-2-(6-Amino-9H-purin-9-yl)-1-methylethoxy]methyl]phenoxyphosphinyl]-1-methylethyl ester-L-alanine fumarate
[2H6]-GS-7171
Product Number: C6140
CAS number: 379270-36-7 unlabeled
Synonyms: [2H6]-N-[[[(1R)-2-(6-Amino-9H-purin-9-yl)-1-methylethoxy]methyl]phenoxyphosphinyl]-1-methylethyl ester-L-alanine
[13C]-Pyridoxine
Product Number: C6146
CAS number: 98498-97-6
Synonyms: [13C]-Pirivitol, [13C]-5-Hydroxy-6-methyl-3,4-pyridinedimethanol
[2H3]-Levomefolate calcium salt
Product Number: C6255
CAS number: 151533-22-1 unlabeled
Synonyms: [2H3]-L-Methylfolate calcium salt, [2H3]-5-Methyl-tetrahydrofolate calcium salt, [2H3]-Metafolin, [2H3]-LMCA