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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.
54 products
![[metabolites] 5-Hydroxyindoleacetic acid](https://www.alsachim.com/15826-list_image/5-Hydroxyindoleacetic-acid.jpg)
![[reference-standards] Vilazodone](https://www.alsachim.com/16022-list_image/Vilazodone.jpg)
Vilazodone
Product Number: C4007
CAS number: 163521-12-8
Synonyms: 5-[4-[4-(5-Cyano-1H-indol-3-yl)butyl]-1-piperazinyl]-2-benzofurancarboxamide
![[metabolites] 3,4-Dihydroxyphenylacetic acid](https://www.alsachim.com/14294-list_image/3-4-Dihydroxyphenylacetic-acid.jpg)
3,4-Dihydroxyphenylacetic acid
Product Number: C10469
CAS number: 102-32-9
Synonyms: DOPAC, Homoprotocatechuic acid
![[reference-standards] Bupropion hydrochloride salt](https://www.alsachim.com/20108-list_image/Bupropion-hydrochloride-salt.jpg)
![[reference-standards] Mesalamine](https://www.alsachim.com/15022-list_image/Mesalamine.jpg)
[13C6]-Mesalamine hydrochloride
Product Number: C1476
CAS number: 1261398-47-3
Synonyms: [13C6]-Mesalazine hydrochloride salt, [13C6]-5-Aminosamicylic acid hydrochloride
![[reference-standards] Pexacerfont](https://www.alsachim.com/17519-list_image/Pexacerfont.jpg)
[2H3]-5-Aminosalicylic acid
Product Number: C348
CAS number: 1309283-32-6
Synonyms: [2H3]-Mesalamine, [2H3]-Mesalazine
[2H3]-N-Acetyl-5-aminosalicylic acid
Product Number: C349
CAS number: 93968-79-7
Synonyms: [2H3]-N-Acetylmesalamine, [2H3]-N-Acetylmesalazine
![[reference-standards] Mesalamine hydrochloride salt](https://www.alsachim.com/18980-list_image/Mesalamine-hydrochloride-salt.jpg)
Mesalamine hydrochloride salt
Product Number: C5498
CAS number: 6291-36-7
Synonyms: Mesalazine hydrochloride, 5-Aminosalicylic acid
[2H8]-N-(m-Chlorophenyl)piperazine
Product Number: C6267
CAS number: 1189923-43-0
Synonyms: [2H8]-m-CPP
[13C6]-Vortioxetine hydrobromide salt
Product Number: C6307
CAS number: 960203-27-4 unlabeled
Synonyms: 1-[2-[(2,4-dimethylphenyl)thio]phenyl]-piperazine-13C6 hydrobromide salt, Lu AA 21004-13C6 hydrobromide salt
![[reference-standards] Vortioxetine hydrobromide
salt](https://www.alsachim.com/16916-list_image/Vortioxetine-hydrobromide-salt.jpg)
Vortioxetine hydrobromide salt
Product Number: C6419
CAS number: 960203-27-4
Synonyms: 1-[2-[(2,4-dimethylphenyl)thio]phenyl]-piperazine hydrobromide salt, Lu AA 21004 hydrobromide salt
![[reference-standards] Aspirin](https://www.alsachim.com/16999-list_image/Aspirin.jpg)