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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.
143 products
![[reference-standards] Perindopril arginine](https://www.alsachim.com/16432-list_image/Perindopril-arginine-salt.jpg)
![[metabolites] Ramiprilat](https://www.alsachim.com/16341-list_image/Ramiprilat.jpg)
![[metabolites] Acetaminophen β-D-glucuronide](https://www.alsachim.com/20706-list_image/Acetaminophen-beta-D-glucuronide.jpg)
Acetaminophen β-D-glucuronide
Product Number: C9165
CAS number: 16110-10-4
Synonyms: Acetaminophen beta-D-glucuronide
[2H4]-Acetaminophen β-D-glucuronide
Product Number: C9153
CAS number: 16110-10-4 unlabeled
Synonyms: [2H4]-Acetaminophen beta-D-glucuronide
![[reference-standards] Betamethasone-17,21-dipropionate](https://www.alsachim.com/15068-list_image/Betamethasone-17-21-dipropionate.jpg)
![[reference-standards] Betamethasone](https://www.alsachim.com/15071-list_image/Betamethasone.jpg)
![[reference-standards] Betamethasone-17-valerate](https://www.alsachim.com/15116-list_image/Betamethasone-17-valerate.jpg)
![[reference-standards] Artesunate](https://www.alsachim.com/17681-list_image/Artesunate.jpg)
![[reference-standards] Deoxy-dydroartemisinin (DHA)](https://www.alsachim.com/18129-list_image/Deoxy-dydroartemisinin-DHA-.jpg)
![[metabolites] 9-Epideoxy-dydroartemisinin](https://www.alsachim.com/18130-list_image/9-Epideoxy-dydroartemisinin.jpg)
[2H5]-Trandolapril
Product Number: C1377
CAS number: 1356847-98-7
Synonyms: [2H5]-Tarka, [2H5]-RU-44570, [2H5]-Gopten, [2H5]-Odrik, [2H5]-Mavik, [2H5]- (2S,3aR,7aS)-1-[(2S)-2-[[(1S)-1-(Ethoxycarbonyl)-3-(phenyl-d5)propyl]amino]-1-oxopropyl]octahydro-1H-Indole-2-carboxylic Acid
![[reference-standards] Diosgenone](https://www.alsachim.com/19397-list_image/Diosgenone.jpg)