montelukast and its Impurities

A leukotriene receptor antagonist, Montelukast is used for treating asthma and other allergic symptoms. It works by blocking a substance called leukotriene, which helps to decrease certain asthma and allergy symptoms. Reference standards of Montelukast API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 86 results for montelukast Impurities
PA 13 53000

Montelukast - API

Montelukast


  • Catalogue No.:PA 13 53000

  • CAS :

    158966-92-8

  • Molecular Formula : C35H36ClNO3S

  • Molecular Weight : 586.18

PA 13 53010

Montelukast - Impurity A

Montelukast S-Isomer


  • Catalogue No.:PA 13 53010

  • CAS :

    190078-45-6

  • Molecular Formula : C35H35ClNNaO3S

  • Molecular Weight : 608.17

PA 13 53020

Montelukast - Impurity B

Montelukast Methylstyrene


  • Catalogue No.:PA 13 53020

  • CAS :

    918972-54-0

  • Molecular Formula : C35H34ClNO2S

  • Molecular Weight : 568.17

PA 13 53030

Montelukast - Impurity C

Montelukast Sulfoxide


  • Catalogue No.:PA 13 53030

  • CAS :

    909849-96-3

  • Molecular Formula : C35H36ClNO4S

  • Molecular Weight : 602.18

PA 13 53040

Montelukast - Impurity D

Montelukast Michael Adduct R,R-Isomer


  • Catalogue No.:PA 13 53040

  • CAS :

    1187586-61-3

  • Molecular Formula : C41H46ClNO5S2

  • Molecular Weight : 732.39

PA 13 53050

Montelukast - Impurity E

Michael Adduct R,S-Isomer


  • Catalogue No.:PA 13 53050

  • CAS :

    1187586-58-8

  • Molecular Formula : C41H46ClNO5S2

  • Molecular Weight : 732.39

PA 13 53060

Montelukast - Impurity F

Montelukast Methyl Ketone


  • Catalogue No.:PA 13 53060

  • CAS :

    937275-23-5

  • Molecular Formula : C34H32ClNO3S

  • Molecular Weight : 570.14

PA 13 53070

Montelukast - Impurity G

Montelukast cis Isomer


  • Catalogue No.:PA 13 53070

  • CAS :

    774538-96-4

  • Molecular Formula : C35H36ClNO3S

  • Molecular Weight : 586.18

PA 13 53080

Montelukast - Impurity H

[1-[[[(1R)-1-[3-[(E)-2-(7-Chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(methoxycarbonyl)phenyl]propyl]sulfanyl] methyl]cyclopropyl]acetic Acid


  • Catalogue No.:PA 13 53080

  • CAS :

    851755-56-1

  • Molecular Formula : C34H32ClNO4S

  • Molecular Weight : 586.14

PA 13 53510

Montelukast Sodium

Montelukast Sodium


  • Catalogue No.:PA 13 53510

  • CAS :

    151767-02-1

  • Molecular Formula : C35H35ClNNaO3S

  • Molecular Weight : 608.17

PA 13 53520

1-{3-[2-(7-Chloro-quinolin-2-yl)-vinyl]-phenyl}-3-[2-(1-hydroxy-1-methyl-ethyl)-phenyl]-propan-1-ol

1-{3-[2-(7-Chloro-quinolin-2-yl)-vinyl]-phenyl}-3-[2-(1-hydroxy-1-methyl-ethyl)-phenyl]-propan-1-ol


  • Catalogue No.:PA 13 53520

  • CAS :

    142569-70-8

  • Molecular Formula : C29H28ClNO2

  • Molecular Weight : 457.99

PA 13 53530

1-(Mercaptomethyl)cyclopropaneacetic Acid

1-(Mercaptomethyl)cyclopropaneacetic Acid


  • Catalogue No.:PA 13 53530

  • CAS :

    162515-68-6

  • Molecular Formula : C6H10O2S

  • Molecular Weight : 146.21

PA 13 53540

Montelukast (3S)-Hydroxy Benzoate

Montelukast (3S)-Hydroxy Benzoate


  • Catalogue No.:PA 13 53540

  • CAS :

    142569-69-5

  • Molecular Formula : C28H24ClNO3

  • Molecular Weight : 457.95

PA 13 53550

Methyl 2-(3-{3-[2-(7-chloroquinolin-2-yl)vinyl]phenyl}-3-oxopropyl)benzoate

Methyl 2-(3-{3-[2-(7-chloroquinolin-2-yl)vinyl]phenyl}-3-oxopropyl)benzoate


  • Catalogue No.:PA 13 53550

  • CAS :

    133791-17-0

  • Molecular Formula : C28H22ClNO3

  • Molecular Weight : 455.93

PA 13 53560

Montelukast Sulfone

Montelukast Sulfone


  • Catalogue No.:PA 13 53560

  • CAS :

    1266620-74-9

  • Molecular Formula : C35H36ClNO5S

  • Molecular Weight : 618.18

PA 13 53570

Montelukast 1,2-Diol

Montelukast 1,2-Diol


  • Catalogue No.:PA 13 53570

  • CAS :

    186352-97-6

  • Molecular Formula : C35H36ClNO4S

  • Molecular Weight : 602.18

PA 13 53580

Montelukast Disulfide Impurity

Montelukast Disulfide Impurity


  • Catalogue No.:PA 13 53580

  • CAS :

    162515-67-5

  • Molecular Formula : C12H18O4S2

  • Molecular Weight : 290.4

PA 13 53590

Montelukast Ether Impurity

Montelukast Ether Impurity


  • Catalogue No.:PA 13 53590

  • CAS :

    168214-67-3

  • Molecular Formula : C29H26ClNO

  • Molecular Weight : 439.98

PA 13 53600

Montelukast Dicyclohexylamine

Montelukast Dicyclohexylamine


  • Catalogue No.:PA 13 53600

  • CAS :

    577953-88-9

  • Molecular Formula : C47H59ClN2O3S

  • Molecular Weight : 767.5

PA 13 53610

Montelukast Dihydro Impurity

Montelukast Dihydro Impurity


  • Catalogue No.:PA 13 53610

  • CAS :

    142147-98-6

  • Molecular Formula : C35H37ClNNaO3S

  • Molecular Weight : 610.18

PA 13 53620

Montelukast Lactone

Montelukast Lactone


  • Catalogue No.:PA 13 53620

  • CAS :

    1100617-38-6

  • Molecular Formula : C27H20ClNO2

  • Molecular Weight : 425.91

PA 13 53630

Montelukast Amide

Montelukast Amide


  • Catalogue No.:PA 13 53630

  • CAS :

    866923-63-9

  • Molecular Formula : C35H37ClN2O2S

  • Molecular Weight : 585.2

PA 13 53640

Montelukast Cyclopropaneacetonitrile

Montelukast Cyclopropaneacetonitrile


  • Catalogue No.:PA 13 53640

  • CAS :

    866923-62-8

  • Molecular Formula : C35H35ClN2OS

  • Molecular Weight : 567.18

PA 13 53650

Montelukast (3S)-Hydroxy Propanol

Montelukast (3S)-Hydroxy Propanol


  • Catalogue No.:PA 13 53650

  • CAS :

    287930-77-2

  • Molecular Formula : C29H28ClNO2

  • Molecular Weight : 457.99

PA 13 53660

Montelukast 3-Oxo Propanol

Montelukast 3-Oxo Propanol


  • Catalogue No.:PA 13 53660

  • CAS :

    1258428-71-5

  • Molecular Formula : C29H26ClNO2

  • Molecular Weight : 455.98

PA 13 53670

7-Chloroquinaldine

7-Chloroquinaldine


  • Catalogue No.:PA 13 53670

  • CAS :

    4965-33-7

  • Molecular Formula : C10H8ClN

  • Molecular Weight : 177.63

PA 13 53680

2-[3-(R)-[3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-propanol

2-[3-(R)-[3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-propanol


  • Catalogue No.:PA 13 53680

  • CAS :

    150026-75-8

  • Molecular Formula : C29H28ClNO2

  • Molecular Weight : 457.99

PA 13 53090

Montelukast - Impurity I

α-Hydroxy Montelukast


  • Catalogue No.:PA 13 53090

  • CAS :

    NA

  • Molecular Formula : C35H36ClNO4S

  • Molecular Weight : 602.18

PA 13 53690

Mixture of (Montelukast Sodium, And Montelukast Methyl Impurity)

Mixture of (Montelukast Sodium, And Montelukast Methyl Impurity)


  • Catalogue No.:PA 13 53690

  • CAS :

    NA

  • Molecular Formula : C71H76Cl2N2O6S2

  • Molecular Weight : 1188.41

PA 13 53700

Montelukast (3R)-Hydroxy Benzoate

Montelukast (3R)-Hydroxy Benzoate


  • Catalogue No.:PA 13 53700

  • CAS :

    150026-72-5

  • Molecular Formula : C28H24ClNO2

  • Molecular Weight : 457.95

PA 13 53710

Montelukast KSM-II Lactone Impurity

Montelukast KSM-II Lactone Impurity


  • Catalogue No.:PA 13 53710

  • CAS :

    162515-66-4

  • Molecular Formula : C6H8OS

  • Molecular Weight : 128.19

PA 13 53720

1-(Chloromethyl)-3-(dichloromethyl)benzene

1-(Chloromethyl)-3-(dichloromethyl)benzene


  • Catalogue No.:PA 13 53720

  • CAS :

    30220-25-8

  • Molecular Formula : C8H7Cl3

  • Molecular Weight : 209.5

PA 13 53730

1,3-Bis(dichloromethyl)benzene

1,3-Bis(dichloromethyl)benzene


  • Catalogue No.:PA 13 53730

  • CAS :

    30430-40-1

  • Molecular Formula : C8H6Cl4

  • Molecular Weight : 243.95

PA 13 53740

Dihydro Montelukast

Dihydro Montelukast


  • Catalogue No.:PA 13 53740

  • CAS :

    142147-67-9

  • Molecular Formula : C35H38ClNO3S

  • Molecular Weight : 588.2

PA 13 53750

Montelukast S-isomer

Montelukast S-isomer


  • Catalogue No.:PA 13 53750

  • CAS :

    220927-27-5

  • Molecular Formula : C35H36ClNO3S

  • Molecular Weight : 586.18

PA STI 027340

Des[3-[[(1-Carboxymethyl)cyclopropyl]methyl]thio]-2-propenyl Montelukast-d6 Mesylate

Des[3-[[(1-Carboxymethyl)cyclopropyl]methyl]thio]-2-propenyl Montelukast-d6 Mesylate


  • Catalogue No.:PA STI 027340

  • CAS :

    NA

  • Molecular Formula : C30H24D6ClNO4S

  • Molecular Weight : 542.12

PA STI 033730

2,2-Dimethoxy-d6 Montelukast

2,2-Dimethoxy-d6 Montelukast


  • Catalogue No.:PA STI 033730

  • CAS :

    NA

  • Molecular Formula : C37H34D6ClNO3S

  • Molecular Weight : 620.27

PA STI 050340

21(R)-Hydroxy Montelukast-d6

21(R)-Hydroxy Montelukast-d6


  • Catalogue No.:PA STI 050340

  • CAS :

    NA

  • Molecular Formula : C35H30D6ClNO4S

  • Molecular Weight : 608.22

PA STI 050350

21(S)-Hydroxy Montelukast-d6

21(S)-Hydroxy Montelukast-d6


  • Catalogue No.:PA STI 050350

  • CAS :

    NA

  • Molecular Formula : C35H30D6ClNO4S

  • Molecular Weight : 608.22

PA STI 059630

Methoxy-d3 Montelukast

Methoxy-d3 Montelukast


  • Catalogue No.:PA STI 059630

  • CAS :

    NA

  • Molecular Formula : C36H35D3ClNO3S

  • Molecular Weight : 603.23

PA STI 066190

Montelukast-d6 Bis-sulfide (mixture of diastereomers)

Montelukast-d6 Bis-sulfide (mixture of diastereomers)


  • Catalogue No.:PA STI 066190

  • CAS :

    NA

  • Molecular Formula : C41H40D6ClNO5S2

  • Molecular Weight : 738.43

PA STI 066200

Montelukast-d6 Sodium Salt

Montelukast-d6 Sodium Salt


  • Catalogue No.:PA STI 066200

  • CAS :

    NA

  • Molecular Formula : C35H29D6ClNNaO3S

  • Molecular Weight : 614.20

PA STI 066210

Montelukast-d6

Montelukast-d6


  • Catalogue No.:PA STI 066210

  • CAS :

    1093746-29-2_x0000_

  • Molecular Formula : C35H30D6ClNO3S

  • Molecular Weight : 592.22

PA STI 066220

Montelukast Acyl-β-D-glucuronide-d6

Montelukast Acyl-β-D-glucuronide-d6


  • Catalogue No.:PA STI 066220

  • CAS :

    NA

  • Molecular Formula : C41H38D6ClNO9S

  • Molecular Weight : 768.34

PA STI 066230

Montelukast Cyclopropaneacetonitrile-d6

Montelukast Cyclopropaneacetonitrile-d6


  • Catalogue No.:PA STI 066230

  • CAS :

    NA

  • Molecular Formula : C35H29D6ClN2OS

  • Molecular Weight : 573.22

PA STI 066240

Montelukast Methyl Ester-d3

Montelukast Methyl Ester-d3


  • Catalogue No.:PA STI 066240

  • CAS :

    NA

  • Molecular Formula : C36H35D3ClNO3S

  • Molecular Weight : 603.23

PAI 13 004010

2-[(3S)-(2-(7-Chloro-2-quinolinyl)- ethenyl-phenyl)-3-hydroxy-propyl)] phenyl)-2-propanol

2-[(3S)-(2-(7-Chloro-2-quinolinyl)- ethenyl-phenyl)-3-hydroxy-propyl)] phenyl)-2-propanol


  • Catalogue No.:PAI 13 004010

  • CAS :

    NA

  • Molecular Formula : C29H28ClNO2

  • Molecular Weight : 457.99

PAI 13 004020

Peroxybis(trimethylsilane)

Peroxybis(trimethylsilane)


  • Catalogue No.:PAI 13 004020

  • CAS :

    5796-98-5

  • Molecular Formula : C6H18O2Si2

  • Molecular Weight : 178.38

PA 13 53760

Montelukast (3S)-Hydroxy Methylketone

Montelukast (3S)-Hydroxy Methylketone


  • Catalogue No.:PA 13 53760

  • CAS :

    184764-13-4

  • Molecular Formula : C28H24ClNO2

  • Molecular Weight : 441.96

PA 13 53770

(E)-2-(2-(3-(3-(2-(7-Chloroquinolin-2-yl)vinyl)phenyl)-3-((2-methylenebutyl)thio)propyl)phenyl)propan-2-ol

(E)-2-(2-(3-(3-(2-(7-Chloroquinolin-2-yl)vinyl)phenyl)-3-((2-methylenebutyl)thio)propyl)phenyl)propan-2-ol


  • Catalogue No.:PA 13 53770

  • CAS :

    NA

  • Molecular Formula : C34H36ClNOS

  • Molecular Weight : 542.18

PA 13 53780

2-[(3S)-3-(Acetyloxy)-1-bromo-3-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]propyl]-benzoic Acid Methyl Ester

2-[(3S)-3-(Acetyloxy)-1-bromo-3-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]propyl]-benzoic Acid Methyl Ester


  • Catalogue No.:PA 13 53780

  • CAS :

    184763-69-7

  • Molecular Formula : C30H25BrClNO4

  • Molecular Weight : 578.88

PA IPIMP 25 14

Montelukast Styrene (IMP/25/14)


  • Catalogue No.:PA IPIMP 25 14

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA IPIPRS 132 14

Montelukast Sodium (IPRS/132/14)-from IPC


  • Catalogue No.:PA IPIPRS 132 14

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA EPY0001433

Montelukast racemate (Y0001433)


  • Catalogue No.:PA EPY0001433

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA EPY0001434

Montelukast sodium (Y0001434)


  • Catalogue No.:PA EPY0001434

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA EPY0001435

Montelukast for peak identification (Y0001435)


  • Catalogue No.:PA EPY0001435

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA EPY0001436

Montelukast dicyclohexylamine (Y0001436)


  • Catalogue No.:PA EPY0001436

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA BP1147RB

montelukast dicyclohexylamine (1147RB)


  • Catalogue No.:PA BP1147RB

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA USP1446815

Montelukast Dicyclohexylamine (1446815)


  • Catalogue No.:PA USP1446815

  • CAS :

    577953-88-9

  • Molecular Formula :

  • Molecular Weight : NA

PA USP1446837

Montelukast for Peak Identification (1446837)


  • Catalogue No.:PA USP1446837

  • CAS :

    NA

  • Molecular Formula :

  • Molecular Weight : NA

PA USP1446848

Montelukast Racemate (1446848)


  • Catalogue No.:PA USP1446848

  • CAS :

    577953-88-9

  • Molecular Formula :

  • Molecular Weight : NA

PA USP1446859

Montelukast Sodium (1446859)


  • Catalogue No.:PA USP1446859

  • CAS :

    151767-02-1

  • Molecular Formula :

  • Molecular Weight : NA

PA 13 53790

(R,E)-1-(3-(2-(7-Chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl methanesulfonate

(R,E)-1-(3-(2-(7-Chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl methanesulfonate


  • Catalogue No.:PA 13 53790

  • CAS :

    920739-17-9

  • Molecular Formula : C30H30ClNO4S

  • Molecular Weight : 536.08

PA 13 53800

2-[2-[(3S)-3-[3-[(E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[(methanesulfonyl)oxy]propyl]phenyl]-2-propanol

2-[2-[(3S)-3-[3-[(E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[(methanesulfonyl)oxy]propyl]phenyl]-2-propanol


  • Catalogue No.:PA 13 53800

  • CAS :

    807638-71-7

  • Molecular Formula : C30H30ClNO4S

  • Molecular Weight : 536.08

PA 13 53810

(R,E)-2-(1-(((1-(3-(2-(7-Chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)sulfonyl)methyl)cyclopropyl)acetic Acid

(R,E)-2-(1-(((1-(3-(2-(7-Chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)sulfonyl)methyl)cyclopropyl)acetic Acid


  • Catalogue No.:PA 13 53810

  • CAS :

    NA

  • Molecular Formula : C35H36ClNO5S

  • Molecular Weight : 618.19

PA 13 53820

2-(2-((E)-3-(3-((E)-2-(7-Chloroquinolin-2-yl)vinyl)phenyl)allyl)phenyl)propan-2-ol

2-(2-((E)-3-(3-((E)-2-(7-Chloroquinolin-2-yl)vinyl)phenyl)allyl)phenyl)propan-2-ol


  • Catalogue No.:PA 13 53820

  • CAS :

    1187586-63-5

  • Molecular Formula : C29H26ClNO

  • Molecular Weight : 439.98

PA 13 53830

(E)-2-(1-(((1-(3-(2-(7-Chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(1-hydroxyethyl)phenyl)propyl)sulfinyl)methyl)cyclopropyl)acetic Acid

(E)-2-(1-(((1-(3-(2-(7-Chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(1-hydroxyethyl)phenyl)propyl)sulfinyl)methyl)cyclopropyl)acetic Acid


  • Catalogue No.:PA 13 53830

  • CAS :

    NA

  • Molecular Formula : C34H34ClNO4S

  • Molecular Weight : 588.16

PA 13 53840

Montelukast Gem-dimethylmethylene Analogue

Montelukast Gem-dimethylmethylene Analogue


  • Catalogue No.:PA 13 53840

  • CAS :

    162489-70-5

  • Molecular Formula : C35H38ClNO3S

  • Molecular Weight : 588.2

PA 13 0531000

1-((((S)-2-(3-((R)-1-(((1-(Carboxymethyl)cyclopropyl)methyl)thio)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)phenyl)-1-(7-chloroquinolin-2-yl)ethyl)thio)methyl)cyclopropane-1-carboxylic Acid

1-((((S)-2-(3-((R)-1-(((1-(Carboxymethyl)cyclopropyl)methyl)thio)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)phenyl)-1-(7-chloroquinolin-2-yl)ethyl)thio)methyl)cyclopropane-1-carboxylic Acid


  • Catalogue No.:PA 13 0531000

  • CAS :

    NA

  • Molecular Formula : C40H44ClNO5S2

  • Molecular Weight : 718.36

PAI 13 004021

Montelukast

(S,E)-3-(2-Acetylphenyl)-1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)propyl methanesulfonate


  • Catalogue No.:PAI 13 004021

  • CAS :

    NA

  • Molecular Formula : C29H26ClNO4S

  • Molecular Weight : 520.04

PA 13 0531001

Sodium 2-(1-((((1R)-1-(3-((1R)-2-(7-chloroquinolin-2-yl)-1-((2-((2-ethylhexyl)oxy)-2-oxoethyl)thio)ethyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetate

Sodium 2-(1-((((1R)-1-(3-((1R)-2-(7-chloroquinolin-2-yl)-1-((2-((2-ethylhexyl)oxy)-2-oxoethyl)thio)ethyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetate


  • Catalogue No.:PA 13 0531001

  • CAS :

    NA

  • Molecular Formula : C45H55ClNNaO5S2

  • Molecular Weight : 812.5

PA 13 0531002

Montelukast Methyl Ester

Montelukast Methyl Ester


  • Catalogue No.:PA 13 0531002

  • CAS :

    855473-51-7

  • Molecular Formula : C36H38ClNO3S

  • Molecular Weight : 600.21

PAI 13 004022

Methyl (E)-2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-((methylsulfonyl)oxy)propyl)benzoate

Methyl (E)-2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-((methylsulfonyl)oxy)propyl)benzoate


  • Catalogue No.:PAI 13 004022

  • CAS :

    NA

  • Molecular Formula : C29H26ClNO5S

  • Molecular Weight : 536.04

PAI 13 004023

(E)-2-(1-(((1-(3-(2-(7-Chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(methoxycarbonyl)phenyl)propyl)thio)methyl)cyclopropyl)acetic Acid

(E)-2-(1-(((1-(3-(2-(7-Chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(methoxycarbonyl)phenyl)propyl)thio)methyl)cyclopropyl)acetic Acid


  • Catalogue No.:PAI 13 004023

  • CAS :

    NA

  • Molecular Formula : C34H32ClNO4S

  • Molecular Weight : 586.14

PA 13 0531005

21(R)-Hydroxy Montelukast

21(R)-Hydroxy Montelukast


  • Catalogue No.:PA 13 0531005

  • CAS :

    184763-26-6

  • Molecular Formula : C35H36ClNO4S

  • Molecular Weight : 602.19

PA 13 0531006

21(S)-Hydroxy Montelukast

21(S)-Hydroxy Montelukast


  • Catalogue No.:PA 13 0531006

  • CAS :

    184763-29-9

  • Molecular Formula : C35H36ClNO4S

  • Molecular Weight : 602.19

PA 13 0531003

Montelukast EP Impurity D+E (Michael Adduct 1+2)

Montelukast EP Impurity D+E (Michael Adduct 1+2)


  • Catalogue No.:PA 13 0531003

  • CAS :

    2125943-58-8

  • Molecular Formula : C41H46ClNO5S2

  • Molecular Weight : 732.39

PA 13 0531004

2-[3-(S)-[3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-(1’-hydroxy-2’-methoxymethyl)propanol (Mixture of Diastereomers)

2-[3-(S)-[3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-(1’-hydroxy-2’-methoxymethyl)propanol (Mixture of Diastereomers)


  • Catalogue No.:PA 13 0531004

  • CAS :

    184764-20-3

  • Molecular Formula : C31H32ClNO4

  • Molecular Weight : 518.05

PA 13 0531007

2-[3-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-oxopropyl]benzoic Acid Methyl Ester

2-[3-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-oxopropyl]benzoic Acid Methyl Ester


  • Catalogue No.:PA 13 0531007

  • CAS :

    149968-11-6

  • Molecular Formula : C28H22ClNO3

  • Molecular Weight : 455.94

PA 13 0531008

Montelukast Acyl-b-D-glucuronide

Montelukast Acyl-b-D-glucuronide


  • Catalogue No.:PA 13 0531008

  • CAS :

    188717-17-1

  • Molecular Formula : C41H44ClNO9S

  • Molecular Weight : 762.31

PA 13 0531009

Montelukast Dicarboxylic Acid (Mixture of Diastereomers)

Montelukast Dicarboxylic Acid (Mixture of Diastereomers)


  • Catalogue No.:PA 13 0531009

  • CAS :

    213380-27-9

  • Molecular Formula : C35H34ClNO5S

  • Molecular Weight : 616.17

PA 13 0531010

1,1'-[Dithiobis(methylene)]biscyclopropaneacetic Acid Methyl Ester

1,1'-[Dithiobis(methylene)]biscyclopropaneacetic Acid Methyl Ester


  • Catalogue No.:PA 13 0531010

  • CAS :

    1446481-28-2

  • Molecular Formula : C13H20O4S2

  • Molecular Weight : 304.42

PA 13 0531011

2-[2-[(3S)-3-[3-[(1E)-2-(7-Chloroquinolin-2-yl)ethenyl]phenyl]-3-chloropropyl]phenyl]-2-propanol

2-[2-[(3S)-3-[3-[(1E)-2-(7-Chloroquinolin-2-yl)ethenyl]phenyl]-3-chloropropyl]phenyl]-2-propanol


  • Catalogue No.:PA 13 0531011

  • CAS :

    880769-28-8

  • Molecular Formula : C29H27Cl2NO

  • Molecular Weight : 476.44

PA 13 0531012

Mixture of Montelukast Michael Adduct R,R-Isomer and Michael Adduct R,S-Isomer

Mixture of Montelukast Michael Adduct R,R-Isomer and Michael Adduct R,S-Isomer


  • Catalogue No.:PA 13 0531012

  • CAS :

    2125943-58-8

  • Molecular Formula : C41H46ClNO5S2

  • Molecular Weight : 732.39

PAI 13 004024

(S,E)-3-(2-Acetylphenyl)-1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)propyl diphenyl Phosphate

(S,E)-3-(2-Acetylphenyl)-1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)propyl diphenyl Phosphate


  • Catalogue No.:PAI 13 004024

  • CAS :

    NA

  • Molecular Formula : C40H33ClNO5P

  • Molecular Weight : 674.13

PA 13 0531013

Methyl (S,E)-2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-hydroxypropyl)benzoate

Methyl (S,E)-2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-hydroxypropyl)benzoate


  • Catalogue No.:PA 13 0531013

  • CAS :

    181139-72-0

  • Molecular Formula : C28H24ClNO3

  • Molecular Weight : 457.95