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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.
108 products
[13C6]-EDDP trifluoroacetate salt
Product Number: C2098
CAS number: 30223-73-5 unlabeled free base
Synonyms: [13C6]-2-Ethylidene-1,5-dimethyl-3,3-diphenylpyrrolidine trifluoroacetate salt
[2H4]-Travoprost acid
Product Number: C7834
CAS number: 282550-19-0 unlabeled
Synonyms: Fluprostenol-D4, [2H4]-(+)-Fluprostenol
[2H5]-Difelikefalin
Product Number: C10526
CAS number: 1024828-77-0 unlabeled
Synonyms: Difelikefalin-D5
[13C,2H3]-Dextrorphan
Product Number: C2303
CAS number: 125-73-5 unlabeled
Synonyms: (9alpha,13alpha,14alpha)-17-Methyl-morphinan-3-ol-13C-d3
[13C,2H5]-Nornalmefene hydrochloride salt
Product Number: C9906
CAS number: 42971-33-5 unlabeled free base
![[metabolites] 5'-Hydroxyphenylcarvedilol](https://www.alsachim.com/15109-list_image/5-Hydroxyphenylcarvedilol.jpg)
5'-Hydroxyphenylcarvedilol
Product Number: C1644
CAS number: 142227-51-8
Synonyms: Carvedilol metabolite M5
[2H10]-4-Hydroxymethylambrisentan
Product Number: C2162
CAS number: 1261393-98-9
Synonyms: (alphaS)-alpha-[[4-(Hydroxymethyl)-6-methyl-2-pyrimidinyl]oxy]-beta-methoxy-beta-phenyl-benzenepropanoic acid-d10