SynonymsN-(2,4-di-tert-butyl-5-hydroxyphenyl)-4-oxo-1,4-dihydroquinoline-3-carboxamide;N-[2,4-Bis[1,1-di(methyl)ethyl]-5-hydroxyphenyl]-1,4-dihydro-4-oxo-3-quinolinecarboxamide; Ivacaftor; Kalydeco; Ivacaftor Close N-(2,4-di-tert-butyl-5-hydroxyphenyl)-4-oxo-1,4-dihydroquinoline-3-carboxamide;N-[2,4-Bis[1,1-di(methyl)ethyl]-5-hydroxyphenyl]-1,4-dihydro-4-oxo-3-quinolinecarboxamide; Ivacaftor; Kalydeco; Ivacaftor Related products Ivacaftor M.F. M.W. 392.5 CAT# AR-I02054 CAS# 873054-44-5 Ivacaftor N-glucuronide M.F. M.W. 568.63 CAT# AR-I02055 CAS# NA Ivacaftor-d19 M.F. M.W. 411.61 CAT# AR-I02056 CAS# 873054-44-5 (non-labelled) Ivacaftor Impurity 1 M.F. M.W. 422.49 CAT# AR-I02057 CAS# 1246213-24-0 Ivacaftor Impurity 2 M.F. M.W. 408.5 CAT# AR-I02058 CAS# 1246213-23-9