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.
16 products
[13C4]-11-Deoxycortisol
Product Number: C6669
CAS number: 152-58-9 unlabeled
Synonyms: 11-Deoxy-17-hydroxycorticosterone-13C4, Reichstein's substance S-13C4, 17,21-Dihydroxyprogesterone-13C4, Cortexolone-13C4
[2H5]-11-Deoxycortisol
Product Number: C4999
CAS number: 1258063-56-7
Synonyms: Cortexolone-d5, 17,21-Dihydroxyprogesterone-d5, Reichstein's substance S-d5, 11-Deoxy-17-hydroxycorticosterone-d5
[13C2,2H6]-Theophylline
Product Number: C2814
CAS number: 58-55-9 unlabeled
Synonyms: 3,9-Dihydro-1,3-dimethyl-1H-purine-2,6-dione-13C2-d6
[2H6]-Theophylline
Product Number: C2813
CAS number: 117490-39-8
Synonyms: 3,9-Dihydro-1,3-dimethyl-1H-purine-2,6-dione-d6