Montelukast

Montelukast Dicyclohexylamine Impurity Montelukast Dicyclohexylamine Impurity :

1-[1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic N-Cyclohexylcyclohexanamine ; C35H36ClNO3S  + C12H23N ;  MW: 586.1 + 181.3;
Montelukast Impurity A Montelukast  Impurity A:

Montelukast Sodium (S)-Isomer ; ent-Montelukast Sodium Salt ; CAS : 190078-45-6 ;  C35H35ClNNaO3S ;  MW: 608.17;
Montelukast Impurity B Montelukast  Impurity B :

Montelukast Methylstyrene ; Montelukast USP RC F ; CAS : 918972-54-0 ; C35H34ClNO2S ;  MW: 568.17;
Montelukast Impurity C Montelukast  Impurity C :

 Montelukast Sulfoxide ; CAS : 909849-96-3 ;

C35H36ClNO4S ;  MW: 602.18;
Montelukast Impurity D Montelukast Impurity D :

 Michael Adduct (R,R)-Isomer ; CAS : 1187586-61-3 ;  C41H46ClNO5S2 ;  MW: 732.39 ;
Montelukast Impurity E Montelukast  Impurity E :

 Michael Adduct (R,S)-Isomer ; CAS : 1187586-58-8 ; C41H46ClNO5S2 ;  MW: 732.39 ;
Montelukast Impurity F Montelukast  Impurity F :

Montelukast Methylketone ; Montelukast USP RC E ; CAS : 937275-23-5 ; C34H32ClNO3S ;  MW: 570.14;
Montelukast Impurity G Montelukast  Impurity G:

Montelukast cis-Isomer ; Montelukast USP RC B ; CAS : 774538-96-4 ;  C35H36ClNO3S ;  MW: 586.18;
Montelukast Impurity H Montelukast  Impurity H:

Montelukast Methoxycarbonyl Analog ; CAS : 851755-56-1 ;    C34H32ClNO4S ;   MW: 586.14;
Montelukast Impurity I Montelukast Impurity I :

Montelukast alpha-Hydroxy Analog ; (2RS)-[1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropyl] (hydroxy) acetic acid ;

C35H36ClNO4S ;  MW: 602.18;
Montelukast Sulfone
Montelukast Sulfone :

1-[[[1-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]sulfonyl]methyl]cyclopropaneacetic Acid ; CAS No: 1266620-74-9 ; C₃₅H₃₆ClNO₅S ; MW: C₃₅H₃₆ClNO₅S  ;