Pharmaceutical Reference Standards / Impurity Standards

Ivacaftor Acid Impurity
Ivacaftor
Hydroxymethyl Ivacaftor
Ivacaftor Carboxylic Acid
Ivacaftor Impurity 6
6-Amino-2,4-di-tert-butylphenol
De-Alkylated Ivacaftor
Ivacaftor Ortho Isomer
N-Nitroso Ivacaftor
N-Nitroso Ivacaftor Ortho Isomer
N-Nitroso Quinoline Acid
N-Nitroso De-alkylated Ivacaftor
Ivacaftor Impurity 18
N-(3-(tert-butyl)-4-hydroxyphenyl)-4-oxo-1,4-dihydroquinoline-3-carboxamide
Ivacaftor Nitroso Impurity 5
Ivacaftor Nitroso Impurity 2
Ivacaftor Nitroso Impurity 4
Ivacaftor O-beta-D-glucuronide
Ivacaftor Impurity 16
Ivacaftor Nitroso Impurity 6
4-Hydroxyquinoline-3-carboxylic acid
Ivacaftor Impurity 8
Ivacaftor Impurity 19
Ivacaftor Impurity 11
Ivacaftor Impurity 1
Ivacaftor Impurity 21
Ivacaftor Impurity 22
Ivacaftor Impurity 23
Ivacaftor Impurity 24
Ivacaftor Impurity 25
Ivacaftor Impurity 26
Ivacaftor Impurity 27
Ivacaftor Impurity 28
Ivacaftor Impurity 29

Isotope Labelled Compounds

Ivacaftor-d18
Ivacaftor D4
Ivacaftor-D19
Ivacaftor 13C6
Hydroxymethyl Ivacaftor D6