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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.
28 products
![[metabolites] Naratriptan-N-oxide](https://www.alsachim.com/17577-list_image/Naratriptan-N-oxide.jpg)
![[reference-standards] 5-Chloro-6-methyl-1,2,3-oxathiazin-4(3H)-one 2,2-dioxide](https://www.alsachim.com/19396-list_image/5-Chloro-6-methyl-1-2-3-oxathiazin-4-3H-one-2-2-dioxide.jpg)
5-Chloro-6-methyl-1,2,3-oxathiazin-4(3H)-one 2,2-dioxide
Product Number: C6120
CAS number: 72827-08-8
[2H4]-Acesulfame K
Product Number: C8184
CAS number: 1623054-53-4
Synonyms: [2H4]-Acesulfame potassium salt, [2H4]-E950
[13C4]-Acesulfame K
Product Number: C8299
CAS number: 55589-62-3 unlabeled
Synonyms: [13C4]-E950, [13C4]-Acesulfame potassium salt
![[reference-standards] Acesulfame K](https://www.alsachim.com/20193-list_image/Acesulfame-K.jpg)
![[reference-standards] Phenformin hydrochloride salt](https://www.alsachim.com/16679-list_image/Phenformin-hydrochloride-salt.jpg)
![[reference-standards] Capsaicin](https://www.alsachim.com/17241-list_image/Capsaicin.jpg)
![[reference-standards] Sumatriptan succinate salt](https://www.alsachim.com/17808-list_image/Sumatriptan-succinate-salt.jpg)
![[metabolites] 4-Hydroxypropofol](https://www.alsachim.com/18096-list_image/4-Hydroxypropofol.jpg)
![[reference-standards] Glycopyrronium bromide](https://www.alsachim.com/18358-list_image/Glycopyrronium-bromide.jpg)
Glycopyrronium bromide
Product Number: C3966
CAS number: 596-51-0
Synonyms: Nodapton, Robanul, Robinul, Tarodyl, Tarodyn
[13C6]-Isovanillic acid
Product Number: C49
CAS number: 201595-54-2
Synonyms: [U-Ring-13C6]-3-Hydroxy-4-methoxybenzoic acid
![[reference-standards] SDZ-220-581](https://www.alsachim.com/19219-list_image/SDZ-220-581.jpg)
SDZ-220-581
Product Number: C5887
CAS number: 174575-17-8
Synonyms: (2S)-2-Amino-3-[3-(2-chlorophenyl)-5-(phosphonomethyl)phenyl]propanoic acid
![[reference-standards] Propofol](https://www.alsachim.com/15468-list_image/Propofol.jpg)
![[reference-standards] Synephrine](https://www.alsachim.com/16033-list_image/Synephrine.jpg)
Synephrine
Product Number: C4049
CAS number: 94-07-5
Synonyms: 4-Hydroxy-a-[(methylamino)methyl]-benzenemethanol, Oxedrine