Stable labeled standards
Alsachim's labeled standards (13C, 2H, 15N, 18O, 34S) enable you to quantify molecules for your LC-MS/MS analyses. Produced in our laboratories in France, our compounds - some of them unique - are guaranteed to be of the highest quality and purity.
29 products
[13C6]-Sulfathiazole
Product Number: C7426
CAS number: 1196157-72-8
Synonyms: Sulfathiazole-(phenyl-13C6)
[2H4]-Sulfamethoxazole
Product Number: C3834
CAS number: 1020719-86-1
Synonyms: 4-Amino-N-(5-methyl-3-isoxazolyl)-benzenesulfonamide-d4
[13C6]-Sulfamonomethoxine
Product Number: C7427
CAS number: 1416768-32-5 unlabeled
Synonyms: Sulfamonomethoxine-(phenyl-13C6)
[13C6]-Sulfaquinoxaline
Product Number: C7424
CAS number: 1202864-52-5 unlabeled
Synonyms: Sulfaquinoxaline-(phenyl-13C6)
[13C,2H3]-N-Desmethyl-loperamide
Product Number: C2837
CAS number: 66164-07-6 unlabeled
Synonyms: [13C,2H3]-4-(4-Chlorophenyl)-4-hydroxy-N-methyl-alpha,alpha-diphenyl-1-piperidinebutanamide
[2H6]-O-Desmethyltramadol ß-D-glucuronide
Product Number: C2560
CAS number: 383891-39-2 unlabeled
Synonyms: [2H6]-O-Desmethyltramadol beta-D-glucuronide