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.
24 products
[13C5,15N]-Pristinamycin IA
Product Number: C1474
CAS number: 3131-03-1 unlabeled
Synonyms: [13C5,15N]-4-[4-(Dimethylamino)-N-methyl-L-phenylalanine]-virginiamycin S1
[13C,2H3]-Clarithromycin
Product Number: C2348
CAS number: 81103-11-9 unlabeled
Synonyms: [13C,2H3]-6-O-Methyl-erythromycin
[13C12]-4,4'-DDT
Product Number: C2268
CAS number: 104215-84-1
Synonyms: [13C12]-1,1,1-Trichloro-2,2-bis(4-chlorophenyl)ethane, [13C12]-1,1-Bis(4-chlorophenyl)-2,2,2-trichloroethane
[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
[13C,2H4]-Lincomycin trifluoroacetate salt
Product Number: C6173
CAS number: 154-21-2 unlabeled free base
Synonyms: Clindamycin intermediate-13C-d4
[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