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.
197 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: C2582
CAS number: 2734436-80-5
Synonyms: Acrivastine-D8, [2H7]-(2E)-3-[6-[(1E)-1-(4-Methylphenyl)-3-(1-pyrrolidinyl)-1-propen-1-yl]-2-pyridinyl]-2-propenoic acid
Product Number: C2599
CAS number: 325484-33-1
Synonyms: 3'-Azido-3'-deoxy-thymidine-13C-d3, AZT-13C-d3
![[metabolites] Acetaminophen β-D-glucuronide](https://www.alsachim.com/20706-list_image/Acetaminophen-beta-D-glucuronide.jpg)
Product Number: C9165
CAS number: 16110-10-4
Synonyms: Acetaminophen beta-D-glucuronide
Product Number: C9314
CAS number: 71720-56-4 unlabeled
Product Number: C9153
CAS number: 16110-10-4 unlabeled
Synonyms: [2H4]-Acetaminophen beta-D-glucuronide
![[reference-standards] Mesalamine](https://www.alsachim.com/15022-list_image/Mesalamine.jpg)
Product Number: C1476
CAS number: 1261398-47-3
Synonyms: [13C6]-Mesalazine hydrochloride salt, [13C6]-5-Aminosamicylic acid hydrochloride
Product Number: C1350
CAS number: 87377-08-0
Synonyms: [2H4]-Indomod, [2H4]-Inacid, [2H4]-Indomethine, [2H4]-Catlep, [2H4]-Bonidon, [2H4]-Indometacin, [2H4]-Indocid, [2H4]- 1-(4-Chlorobenzoyl)-5-methoxy-2-methyl-1H-indole-3-acetic Acid
![[reference-standards] Etodolac](https://www.alsachim.com/20972-list_image/Etodolac.jpg)
![[reference-standards] Nabumetone](https://www.alsachim.com/17567-list_image/Nabumetone.jpg)