Montelukast > Impurities > 25

Structure Compound Pricing
Montelukast 3-Oxo Propanol Impurity
CS-O-31224 > Impurities

Molecular Formula : C29H26ClNO2   Molecular Weight: 455.98   CAS Number: 1258428-71-5  
Parent API : Montelukast
USD 1,824.00 / 10mg
USD 2,736.00 / 25mg
USD 4,104.00 / 50mg
R-Montelukast Na
CS-O-07941 > Impurities

Molecular Formula : C35H35ClNNaO3S   Molecular Weight: 608.17   CAS Number: NA  
Parent API : Montelukast
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Methoxy Montelukast
CS-T-79803 > Impurities

Molecular Formula : C36H38ClNO3S   Molecular Weight: 600.21   CAS Number: 1351973-25-5
Synonyms : (R,E)-2-(1-(((1-(3-(2-(7-Chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-methoxy-d3-propan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetic Acid
Parent API : Montelukast
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2-Des(1-hydroxy-1-methylethyl)-2-methycarboxy Montelukast Hydrochloride
CS-T-16010 > Impurities

Molecular Weight: 622.6   CAS Number: 906107-37-7
Synonyms : 2-[1-[[[(1R)-1-[3-[(1E)-2-l]-3-(2-methropyl]thio]methyl]cyclopropyl]acetic Acid Hydrochloride
Parent API : Montelukast
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Montelukast Sulfone
CS-T-58950 > Impurities

Molecular Formula : C35H36ClNO5S   Molecular Weight: 618.18   CAS Number: 1266620-74-9
Synonyms : 1-[[[1-[3-[2-nyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]sulfonyl]methyl]cyclopropaneacetic Acid;
Parent API : Montelukast
USD 684.00 / 10mg
USD 1,026.00 / 25mg
USD 1,539.00 / 50mg
Montelukast Cyclizate Ether impurity
CS-T-58953 > Impurities

Molecular Formula : C29H26ClNO   Molecular Weight: 439.98   CAS Number: 168214-67-3
Synonyms : 7-Chloro-2-[2-[3-(1,3,4,5-tetrahydro-1,1-dimethyl-2-benzoxepin-3-yl)phenyl]ethenyl]quinoline;
Parent API : Montelukast
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Montelukast Bis-sulfide
CS-T-58944 > Impurities

Molecular Weight: 732.39   CAS Number: 1242260-05-4
Synonyms : 1-[[[(1R)-1-[3-[(1R,S)-1-[[[clopropyl]methyl]thio]-2-(7-chloro-2-quinolinyl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic Acid; Montelukast Michael Aduct
Parent API : Montelukast
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Montelukast EP Impurity B
CS-O-10009 > Impurities

Molecular Weight: 568.17   CAS Number: 918972-54-0
Synonyms : 1-[[[(1R)-1-[3-[(1E)-2-l]-3-[2-(1-methylethenyl)phenyl]propyl]thio]methc cid; Montelukast Styrene; Montelukast USP Relatedcompound F; Montelukast Methylstyrene ; Anhydro Montelukast ; Dehydro Montelukast ; Styrene Montelukast ; [1-[[[(1R)-1-[3-[(E)-2-(7chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(prop-1-en-2- yl)phenyl]propyl]sulfanyl]methylcclopropyl]cetc cid
Parent API : Montelukast
USD 532.00 / 10mg
USD 798.00 / 25mg
USD 1,197.00 / 50mg
2-[3-(S)-[3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-propanol
CS-T-51001 > Impurities

Molecular Formula : C29H28ClNO2   Molecular Weight: 457.99   CAS Number: 287930-77-2
Synonyms : (S,E)-1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propan-1-ol; 2-[3-(S)-[3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-propanol
Parent API : Montelukast
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Montelukast (3R)-Hydroxy Benzoate
CS-O-07942 > Impurities

Molecular Formula : C28H24ClNO3   Molecular Weight: 457.95   CAS Number: 150026-72-5
Synonyms : Montelukast (3R)-Hydroxy Benzoate;2-[3-(R)-[3-(2-l]-3-hydroxypropyl] benter;2-[3-(R)-[3-(2-l]-3-hydroxypropyl] benter;CS-T-12513;2-[(3R)-(2-(7-Chloro-2-quinolinyl)-ethenyl-phenyl)-3-hydroxy-propyl)]-1-methoxycarbonylbenzene ;Methyl [E]-2-[(3R)-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-hydroxypropyl] benzoate ;Montelukast (3R)-Hydroxy Benzoate ;
Parent API : Montelukast
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Des[3-[[(1-Carboxymethyl)cyclopropyl]methyl]thio]-2-propenyl Montelukast Mesylate
CS-T-52113 > Impurities

Molecular Formula : C30H30ClNO4S   Molecular Weight: 536.08   CAS Number: 1187586-82-8
Synonyms : 2-{2-[(2E)-3-{3-[(E)-2-yl}prop-2-en-1-yl]phenyl}propan-2- ol; methanesulfonic acid
Parent API : Montelukast
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1-[[[(1R)-1-[3-[2-(7-chloro-2-quinolinyl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]-cyclopropaneacetic acid
CS-AB-00067 > Impurities

Molecular Formula : C35H38ClNO3S   Molecular Weight: 588.2   CAS Number: 142147-67-9  
Parent API : Montelukast
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Montelukast EP Impurity C
CS-O-10008 > Impurities

Molecular Formula : C35H36ClNO4S   Molecular Weight: 602.18   CAS Number: 909849-96-3
Synonyms : 1-[[[1-[3-[2-l]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]sulfinyl]methc cid; Montelukast Sulfoxide; Montelukast USP Relatedcompound A; Montelukast S-Oxide
Parent API : Montelukast
USD 426.00 / 10mg
USD 638.00 / 25mg
USD 958.00 / 50mg
(S) Montelukast
CS-O-05738 > Impurities

Molecular Formula : C35H36ClNO3S   Molecular Weight: 586.18   CAS Number: 220927-27-5
Synonyms : 2-[1-({[(1S)-1-{3-[(E)-2-(7-chloroquinolin-2- yl)ethenyl]phenyl}-3-[2-(2-hydroxypropan-2- yl)phenyl]propyl]sulfanyl}methyl)cyclopropyl]acetic acid
Parent API : Montelukast
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Dihydro Montelukast acid
CS-T-53076 > Impurities

Molecular Formula : C35H38ClNNO3S   Molecular Weight: 588.20   CAS Number: 142147-67-9
Synonyms : (R)-1-[[[1-[3-[2--3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methic Acid; Montelukast Dihydro Impurity
Parent API : Montelukast
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Montelukast EP impurity A
CS-O-07943 > Impurities

Molecular Formula : C35H35ClNNaO3S   Molecular Weight: 608.16   CAS Number: 190078-45-6
Synonyms : S-Montelukast Na; S-motelukast isomer; ent-Montelukast Sodium Salt ; (-) Montelukast sodium Isomer; sodium 2-[1-({[(1S)-1-{3-[(E)-2-(7-chloroquinolin-2- yl)ethenyl]phenyl}-3-[2-(2-hydroxypropan-2- yl)phenyl]propyl]sulfanyl}methyl)cyclopropyl]acetate ;CS-O-11855;CS-O-05826;CS-T-82793
Parent API : Montelukast
USD 274.00 / 10mg
USD 410.00 / 25mg
USD 616.00 / 50mg
Montelukast Racemic Diol
CS-O-32351 > Impurities

Molecular Formula : C29H28ClNO2   Molecular Weight: 457.18   CAS Number: 142569-70-8
Synonyms : 2-(2-(3(S)-(3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl)-3-hydroxypropyl)phenyl)-2-propanol.
Parent API : Montelukast
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Montelukast EP impurity H
CS-O-11862 > Impurities

Molecular Weight: 586.17   CAS Number: 851755-56-1
Synonyms : [1-[[[(1R)-1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(methoxycarbonyl) phenyl]propyl]sulfanyl]methyl]cyclopropyl]acetic acid; Montelukast Methoxycarbonyl Analog; 2-[1-[[[(1R)-1-[3-[(1E)-2-(7-Chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(methoxycarbonyl)phenyl]propyl]sulfanyl]methyl]cyclopropyl]acetic acid
Parent API : Montelukast
USD 274.00 / 10mg
USD 410.00 / 25mg
USD 616.00 / 50mg
Montelukast EP impurity G
CS-O-11861 > Impurities

Molecular Formula : C35H36ClNO3S   Molecular Weight: 586.18   CAS Number: 774538-96-4
Synonyms : Montelukast EP impurity G;Montelukast cis Isomer;Montelukast USP Related Compound B;Montelukast USP Related Compound B ; Montelukast cis Isomer ; [1-[[[(1R)-1-[3-[(Z)-2-(7-Chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydroxypropan-2-yl) phenyl]propyl]sulfanyl]methyl]cyclopropyl]acetic acid ; cis-Montelukast
Parent API : Montelukast
USD 684.00 / 10mg
USD 1,026.00 / 25mg
USD 1,539.00 / 50mg
Montelukast EP impurity F
CS-O-11860 > Impurities

Molecular Formula : C34H32ClNO3S   Molecular Weight: 570.14   CAS Number: 937275-23-5
Synonyms : Montelukast USP Related Compound E ; Montelukast Methyl ketone ; [1-[[[(1R)-3-(2-acetylphenyl)-1-[3-[(E)-2-(7-chloroquinolin-2- yl)ethenyl]phenyl] propyl]sulfanyl]methyl]cyclopropyl]acetic acid ;
Parent API : Montelukast
USD 684.00 / 10mg
USD 1,026.00 / 25mg
USD 1,539.00 / 50mg
Montelukast EP impurity E
CS-O-11859 > Impurities

Molecular Formula : C41H46ClNO5S2   Molecular Weight: 732.39   CAS Number: 1187586-58-8
Synonyms : Montelukast USP Related Compound D; Michael Adduct R,S-Isomer ; 1-[[[(1R)-1-[3-[(1S)-1-[[[1-(Carboxymethyl)cyclopropyl]methyl]thio]-2-(7-chloro-2-quinolinyl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl) phenyl] propyl] thio]methyl]-cyclopropaneacetic acid
Parent API : Montelukast
USD 1,824.00 / 10mg
USD 2,736.00 / 25mg
USD 4,104.00 / 50mg
Montelukast EP impurity D
CS-O-11858 > Impurities

Molecular Formula : C41H46ClNO5S2   Molecular Weight: 732.39   CAS Number: 1187586-61-3
Synonyms : Montelukast USP Related Compound C ; Montelukast Michael Adduct R,R-Isomer ; 1-[[[(1R)-1-[3-[(1R)-1-[[[1-(Carboxymethyl)cyclopropyl]methyl]thio]-2-(7-chloro-2-quinolinyl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl) phenyl] propyl] thio]methyl]-cyclopropaneacetic acid; Montelukast Bis-Sulfide
Parent API : Montelukast
USD 1,824.00 / 10mg
USD 2,736.00 / 25mg
USD 4,104.00 / 50mg
Montelukast EP impurity I
CS-O-11863 > Impurities

Molecular Formula : C35H36ClNO4S   Molecular Weight: 602.18   CAS Number: NA
Synonyms : (2RS)-[1-[[[(1R)-1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(1-hydroxy-1- methylethyl)phenyl]propyl]sulfanyl]methyl]cyclopropyl](hydroxy)acetic acid
Parent API : Montelukast
USD 426.00 / 10mg
USD 638.00 / 25mg
USD 958.00 / 50mg
Dihydro Montelukast Sodium Salt
CS-O-33060 > Impurities

Molecular Formula : C35H37ClNNaO3S   Molecular Weight: 610.18   CAS Number: 142147-98-6
Synonyms : (R)-1-[[[1-[3-[2-(7-Chloro-2-quinolinyl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic Acid Monosodium Salt; Free Acid: 142147-67-9
Parent API : Montelukast
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Montelukast sodium racemate
CS-EO-00151 > Impurities

Molecular Formula : C35H35ClNNaO3S   Molecular Weight: 608.17   CAS Number: NA
Synonyms : sodium (E)-2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetate
Parent API : Montelukast
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