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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.
34 products
![[metabolites] Canrenone](https://www.alsachim.com/15836-list_image/Canrenone.jpg)
![[reference-standards] Acetazolamide](https://www.alsachim.com/14782-list_image/Acetazolamide.jpg)
[13C,2H3]-Ranolazine dihydrochloride salt
Product Number: C1450
CAS number: 1261392-58-8
Synonyms: [13C,2H3]-RS 43285
![[reference-standards] Ranolazine dihydrochloride salt](https://www.alsachim.com/17607-list_image/Ranolazine-dihydrochloride-salt.jpg)
[2H8]-N-(2,6-dimethylphenyl)acetamide
Product Number: C5573
CAS number: 172430-46-5 unlabeled
Synonyms: [2H8]-O-Desaryl ranolazine, [2H8]-CVT 2512
![[metabolites] Deacetylspironolactone](https://www.alsachim.com/19403-list_image/Deacetylspironolactone.jpg)
Deacetylspironolactone
Product Number: C6133
CAS number: 38753-76-3
Synonyms: Mercaptospironolactone, SC-24813, 3-Oxo-17a-pregna-4-ene-7a-(thia)-21,17-carbolactone
![[reference-standards] Mexiletine hydrochloride salt](https://www.alsachim.com/19491-list_image/Mexiletine-hydrochloride-salt.jpg)
![[reference-standards] Procainamide hydrochloride salt](https://www.alsachim.com/17134-list_image/Procainamide-hydrochloride-salt.jpg)
![[metabolites] 5-Hydroxypropafenone](https://www.alsachim.com/17366-list_image/5-Hydroxypropafenone.jpg)
![[metabolites] Despropylpropafenone hydrochloride salt](https://www.alsachim.com/17367-list_image/Despropylpropafenone-hydrochloride-salt.jpg)
![[reference-standards] Quinidine sulfate salt dihydrate](https://www.alsachim.com/17854-list_image/Quinidine-sulfate-salt-dihydrate.jpg)
Quinidine sulfate salt dihydrate
Product Number: C2790
CAS number: 6591-63-5
Synonyms: Quinidine sulfate
![[reference-standards] Torsemide](https://www.alsachim.com/16304-list_image/Torsemide.jpg)
![[reference-standards] Spironolactone](https://www.alsachim.com/16342-list_image/Spironolactone.jpg)
![[reference-standards] Hydroquinidine](https://www.alsachim.com/16578-list_image/Hydroquinidine.jpg)
![[metabolites] Norlidocaine](https://www.alsachim.com/15463-list_image/Norlidocaine.jpg)
Norlidocaine
Product Number: C2758
CAS number: 7728-40-7
Synonyms: Nor lidocaine, Monoethylglycinexylidide