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    Montelukast Keto Impurity

    Montelukast Keto Impurity

    Synonym

    (S,E)-1-(2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-hydroxypropyl)phenyl)ethanone

    Molecular Formula

    C28H24ClNO2

    Molecular Weight

    441.96

    Catalogue Number

    AR-M02241

    Parent Drug

    MONTELUKAST

    CAS Number

    184764-13-4

    Common Package:10,25,50,100 mg

    Collections: MONTELUKAST

    Category: 184764-13-4 AR-M02241 C28H24ClNO2 MONTELUKAST

    RELATED PRODUCTS
    2-(2-((E)-3-(3-((Z)-2-(7-chloroquinolin-2-yl)vinyl)phenyl)allyl)phenyl)propan-2-ol

    Synonym

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

    Molecular Formula

    C29H26ClNO

    Molecular Weight

    439.98

    Catalogue Number

    AR-M02280

    Parent Drug

    MONTELUKAST
    (S,Z)-7-chloro-2-(3-(1,1-dimethyl-1,3,4,5-tetrahydrobenzo[c]oxepin-3-yl)styryl)quinoline

    Synonym

    (S,Z)-7-chloro-2-(3-(1,1-dimethyl-1,3,4,5-tetrahydrobenzo[c]oxepin-3-yl)styryl)quinoline

    Molecular Formula

    C29H26ClNO

    Molecular Weight

    439.98

    Catalogue Number

    AR-M02279

    Parent Drug

    MONTELUKAST
    (R,Z)-7-chloro-2-(3-(1,1-dimethyl-1,3,4,5-tetrahydrobenzo[c]oxepin-3-yl)styryl)quinoline

    Synonym

    (R,Z)-7-chloro-2-(3-(1,1-dimethyl-1,3,4,5-tetrahydrobenzo[c]oxepin-3-yl)styryl)quinoline

    Molecular Formula

    C29H26ClNO

    Molecular Weight

    439.98

    Catalogue Number

    AR-M02278

    Parent Drug

    MONTELUKAST
    (S,E)-7-chloro-2-(3-(1,1-dimethyl-1,3,4,5-tetrahydrobenzo[c]oxepin-3-yl)styryl)quinoline

    Synonym

    (S,E)-7-chloro-2-(3-(1,1-dimethyl-1,3,4,5-tetrahydrobenzo[c]oxepin-3-yl)styryl)quinoline

    Molecular Formula

    C29H26ClNO

    Molecular Weight

    439.98

    Catalogue Number

    AR-M02277

    Parent Drug

    MONTELUKAST
    (R,E)-7-chloro-2-(3-(1,1-dimethyl-1,3,4,5-tetrahydrobenzo[c]oxepin-3-yl)styryl)quinoline

    Synonym

    (R,E)-7-chloro-2-(3-(1,1-dimethyl-1,3,4,5-tetrahydrobenzo[c]oxepin-3-yl)styryl)quinoline

    Molecular Formula

    C29H26ClNO

    Molecular Weight

    439.98

    Catalogue Number

    AR-M02276

    Parent Drug

    MONTELUKAST
    (R,E)-2-(2-(3-(tert-butoxy)-3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)propyl)phenyl)propan-2-ol

    Synonym

    (R,E)-2-(2-(3-(tert-butoxy)-3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)propyl)phenyl)propan-2-ol

    Molecular Formula

    C33H36ClNO2

    Molecular Weight

    514.11

    Catalogue Number

    AR-M02275

    Parent Drug

    MONTELUKAST
    (R,E)-2-(2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-methoxypropyl)phenyl)propan-2-ol

    Synonym

    (R,E)-2-(2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-methoxypropyl)phenyl)propan-2-ol

    Molecular Formula

    C30H30ClNO2

    Molecular Weight

    472.03

    Catalogue Number

    AR-M02274

    Parent Drug

    MONTELUKAST
    (E)-methyl2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)propyl)benzoate

    Synonym

    (E)-methyl2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)propyl)benzoate

    Molecular Formula

    C28H24ClNO2

    Molecular Weight

    441.96

    Catalogue Number

    AR-M02273

    Parent Drug

    MONTELUKAST
    (E)-methyl2-(3-oxo-3-(3-(2-(quinolin-2-yl)vinyl)phenyl)propyl)benzoate

    Synonym

    (E)-methyl2-(3-oxo-3-(3-(2-(quinolin-2-yl)vinyl)phenyl)propyl)benzoate

    Molecular Formula

    C28H23NO3

    Molecular Weight

    421.50

    Catalogue Number

    AR-M02272

    Parent Drug

    MONTELUKAST
    2-(1-(mercaptomethyl)cyclopropyl)acetamide

    Synonym

    2-(1-(mercaptomethyl)cyclopropyl)acetamide

    Molecular Formula

    C6H11NOS

    Molecular Weight

    145.22

    Catalogue Number

    AR-M02271

    Parent Drug

    MONTELUKAST

    CAS Number

    162515-69-7
    2-(1-((acetylthio)methyl)cyclopropyl)aceticacid

    Synonym

    2-(1-((acetylthio)methyl)cyclopropyl)aceticacid

    Molecular Formula

    C8H12O3S

    Molecular Weight

    188.24

    Catalogue Number

    AR-M02270

    Parent Drug

    MONTELUKAST
    2-(1-(mercaptomethyl)cyclopropyl)acetonitrile

    Synonym

    2-(1-(mercaptomethyl)cyclopropyl)acetonitrile

    Molecular Formula

    C6H9NS

    Molecular Weight

    127.21

    Catalogue Number

    AR-M02269

    Parent Drug

    MONTELUKAST

    CAS Number

    866923-64-0
    S-((1-(2-amino-2-oxoethyl)cyclopropyl)methyl)ethanethioate

    Synonym

    S-((1-(2-amino-2-oxoethyl)cyclopropyl)methyl)ethanethioate

    Molecular Formula

    C8H13NO2S

    Molecular Weight

    187.26

    Catalogue Number

    AR-M02268

    Parent Drug

    MONTELUKAST
    S-((1-(cyanomethyl)cyclopropyl)methyl)ethanethioate

    Synonym

    S-((1-(cyanomethyl)cyclopropyl)methyl)ethanethioate

    Molecular Formula

    C8H11NOS

    Molecular Weight

    169.24

    Catalogue Number

    AR-M02267

    Parent Drug

    MONTELUKAST

    CAS Number

    152922-72-0
    2-(1-(hydroxymethyl)cyclopropyl)acetonitrile

    Synonym

    2-(1-(hydroxymethyl)cyclopropyl)acetonitrile

    Molecular Formula

    C6H9NO

    Molecular Weight

    111.14

    Catalogue Number

    AR-M02266

    Parent Drug

    MONTELUKAST

    CAS Number

    152922-71-9
    5,7-Dioxa-6-thiaspiro[2.5]octane 6-Oxide

    Synonym

    5,7-dioxa-6-thiaspiro[2.5]octane6-oxide

    Molecular Formula

    C5H8O3S

    Molecular Weight

    148.18

    Catalogue Number

    AR-M02265

    Parent Drug

    MONTELUKAST

    CAS Number

    89729-09-9
    Montelukast Dimer Impurity

    Synonym

    1,3-bis((E)-2-(7-chloroquinolin-2-yl)vinyl)benzene

    Molecular Formula

    C28H18Cl2N2

    Molecular Weight

    453.37

    Catalogue Number

    AR-M02264

    Parent Drug

    MONTELUKAST

    CAS Number

    120578-04-3
    (S,E)-3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-4,5-dihydrobenzo[c]oxepin-1(3H)-one

    Synonym

    (S,E)-3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-4,5-dihydrobenzo[c]oxepin-1(3H)-one

    Molecular Formula

    C27H20ClNO2

    Molecular Weight

    425.91

    Catalogue Number

    AR-M02263

    Parent Drug

    MONTELUKAST

    CAS Number

    1100617-38-6
    (E)-2-(2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-((2-methylenebutyl)thio)propyl)phenyl)propan-2-ol

    Synonym

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

    Molecular Formula

    C34H36ClNOS

    Molecular Weight

    542.18

    Catalogue Number

    AR-M02262

    Parent Drug

    MONTELUKAST
    (E)-2-(1-(((3-(2-(2-hydroxypropan-2-yl)phenyl)-1-(3-(2-(quinolin-2-yl)vinyl)phenyl)propyl)thio)methyl)cyclopropyl)aceticacid

    Synonym

    (E)-2-(1-(((3-(2-(2-hydroxypropan-2-yl)phenyl)-1-(3-(2-(quinolin-2-yl)vinyl)phenyl)propyl)thio)methyl)cyclopropyl)aceticacid

    Molecular Formula

    C35H37NO3S

    Molecular Weight

    551.75

    Catalogue Number

    AR-M02261

    Parent Drug

    MONTELUKAST
    2-(1-(((1-(3-(3-(7-chloroquinolin-2-yl)oxiran-2-yl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)aceticacid

    Synonym

    2-(1-(((1-(3-(3-(7-chloroquinolin-2-yl)oxiran-2-yl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)aceticacid

    Molecular Formula

    C35H36ClNO4S

    Molecular Weight

    602.19

    Catalogue Number

    AR-M02260

    Parent Drug

    MONTELUKAST
    (E)-2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)sulfonyl)methyl)cyclopropyl)aceticacid

    Synonym

    (E)-2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)sulfonyl)methyl)cyclopropyl)aceticacid

    Molecular Formula

    C35H36ClNO5S

    Molecular Weight

    618.19

    Catalogue Number

    AR-M02259

    Parent Drug

    MONTELUKAST
    2-(2-((R)-3-(((1-(carboxymethyl)cyclopropyl)methyl)thio)-3-(3-((E)-2-(7-chloroquinolin-2-yl)vinyl)phenyl)propyl)phenyl)-2-hydroxypropanoicacid,disodiumsalt

    Synonym

    2-(2-((R)-3-(((1-(carboxymethyl)cyclopropyl)methyl)thio)-3-(3-((E)-2-(7-chloroquinolin-2-yl)vinyl)phenyl)propyl)phenyl)-2-hydroxypropanoicacid,disodiumsalt

    Molecular Formula

    C35H32ClNO5S. 2 Na

    Molecular Weight

    614.15 2 22.99

    Catalogue Number

    AR-M02258

    Parent Drug

    MONTELUKAST
    (E)-1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)prop-2-en-1-ol

    Synonym

    (E)-1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)prop-2-en-1-ol

    Molecular Formula

    C20H16ClNO

    Molecular Weight

    321.80

    Catalogue Number

    AR-M02257

    Parent Drug

    MONTELUKAST
    (E)-5-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-6-phenylhexane-1,5-diol

    Synonym

    (E)-5-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-6-phenylhexane-1,5-diol

    Molecular Formula

    C29H28ClNO2

    Molecular Weight

    458.01

    Catalogue Number

    AR-M02256

    Parent Drug

    MONTELUKAST
    Montelukast Methyl Ester

    Synonym

    (R,E)-methyl2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetate

    Molecular Formula

    C36H38ClNO3S

    Molecular Weight

    600.23

    Catalogue Number

    AR-M02255

    Parent Drug

    MONTELUKAST

    CAS Number

    855473-51-7
    1,3-bis(dichloromethyl)benzene

    Synonym

    1,3-bis(dichloromethyl)benzene

    Molecular Formula

    C8H6Cl4

    Molecular Weight

    243.95

    Catalogue Number

    AR-M02254

    Parent Drug

    MONTELUKAST

    CAS Number

    30430-40-1
    1-(chloromethyl)-3-(dichloromethyl)benzene

    Synonym

    1-(chloromethyl)-3-(dichloromethyl)benzene

    Molecular Formula

    C8H7Cl3

    Molecular Weight

    209.49

    Catalogue Number

    AR-M02253

    Parent Drug

    MONTELUKAST

    CAS Number

    30220-25-8
    Montelukast Chloro Alcohol Impurity

    Synonym

    (S,E)-2-(2-(3-chloro-3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)propyl)phenyl)propan-2-ol

    Molecular Formula

    C29H27Cl2NO

    Molecular Weight

    476.45

    Catalogue Number

    AR-M02252

    Parent Drug

    MONTELUKAST

    CAS Number

    880769-28-8
    (R,E)-2-(3-(((1-(carboxymethyl)cyclopropyl)methyl)thio)-3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)propyl)benzoicacid

    Synonym

    (R,E)-2-(3-(((1-(carboxymethyl)cyclopropyl)methyl)thio)-3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)propyl)benzoicacid

    Molecular Formula

    C33H30ClNO4S

    Molecular Weight

    572.12

    Catalogue Number

    AR-M02251

    Parent Drug

    MONTELUKAST
    Montelukast Bisolefin Impurity

    Synonym

    2-(1-((((R,E)-1-(3-((E)-2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)allyl)thio)methyl)cyclopropyl)aceticacid

    Molecular Formula

    C35H34ClNO3S

    Molecular Weight

    584.18

    Catalogue Number

    AR-M02250

    Parent Drug

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

    Synonym

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

    Molecular Formula

    C29H26ClNO

    Molecular Weight

    439.99

    Catalogue Number

    AR-M02249

    Parent Drug

    MONTELUKAST

    CAS Number

    1187586-63-5
    (E)-methyl2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-hydroxypropyl)benzoate

    Synonym

    (E)-methyl2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-hydroxypropyl)benzoate

    Molecular Formula

    C28H24ClNO3

    Molecular Weight

    457.96

    Catalogue Number

    AR-M02248

    Parent Drug

    MONTELUKAST

    CAS Number

    N/A
    (S,E)-methyl2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-hydroxypropyl)benzoate

    Synonym

    (S,E)-methyl2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-hydroxypropyl)benzoate

    Molecular Formula

    C28H24ClNO3

    Molecular Weight

    457.96

    Catalogue Number

    AR-M02247

    Parent Drug

    MONTELUKAST

    CAS Number

    142569-69-5
    (R,E)-methyl2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-hydroxypropyl)benzoate

    Synonym

    (R,E)-methyl2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-hydroxypropyl)benzoate

    Molecular Formula

    C28H24ClNO3

    Molecular Weight

    457.96

    Catalogue Number

    AR-M02246

    Parent Drug

    MONTELUKAST

    CAS Number

    150026-72-5
    (E)-methyl2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-oxopropyl)benzoate

    Synonym

    (E)-methyl2-(3-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-oxopropyl)benzoate

    Molecular Formula

    C28H22ClNO3

    Molecular Weight

    455.95

    Catalogue Number

    AR-M02245

    Parent Drug

    MONTELUKAST

    CAS Number

    149968-11-6
    Montelukast Ketone Impurity (USP)

    Synonym

    (E)-1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propan-1-one

    Molecular Formula

    C29H26ClNO2

    Molecular Weight

    455.98

    Catalogue Number

    AR-M02244

    Parent Drug

    MONTELUKAST

    CAS Number

    1258428-71-5
    Montelukast Sulfone N-Oxide

    Synonym

    (R,E)-2-(3-(1-(((1-(carboxymethyl)cyclopropyl)methyl)sulfonyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)styryl)-7-chloroquinoline1-oxide

    Molecular Formula

    C35H35ClNO6S

    Molecular Weight

    633.19

    Catalogue Number

    AR-M02243

    Parent Drug

    MONTELUKAST

    CAS Number

    N/A
    Montelukust Diol Impurity

    Synonym

    (S,E)-1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propan-1-ol

    Molecular Formula

    C29H28ClNO2

    Molecular Weight

    458.01

    Catalogue Number

    AR-M02242

    Parent Drug

    MONTELUKAST

    CAS Number

    287930-77-2
    Montelukast Nitrile Impurity

    Synonym

    (R,E)-2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetonitrile

    Molecular Formula

    C35H35ClN2OS

    Molecular Weight

    567.20

    Catalogue Number

    AR-M02240

    Parent Drug

    MONTELUKAST

    CAS Number

    866923-62-8
    Montelukast 1,2-Diol

    Synonym

    2-(1-((((1R)-1-(3-((E)-2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(1,2-dihydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)aceticacid

    Molecular Formula

    C35H36ClNO4S

    Molecular Weight

    602.20

    Catalogue Number

    AR-M02239

    Parent Drug

    MONTELUKAST

    CAS Number

    186352-97-6
    Montelukast Cyclopropacetaneamide Impurity

    Synonym

    (R,E)-2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetamide

    Molecular Formula

    C35H37ClN2O2S

    Molecular Weight

    585.21

    Catalogue Number

    AR-M02238

    Parent Drug

    MONTELUKAST

    CAS Number

    866923-63-9
    Montelukast Dihydro Impurity

    Synonym

    (R)-2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)ethyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)aceticacid

    Molecular Formula

    C35H38ClNO3S

    Molecular Weight

    588.20

    Catalogue Number

    AR-M02237

    Parent Drug

    MONTELUKAST

    CAS Number

    142147-67-9
    Montelukast Sulfone

    Synonym

    (R,E)-2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)sulfonyl)methyl)cyclopropyl)aceticacid

    Molecular Formula

    C35H36ClNO5S

    Molecular Weight

    618.19

    Catalogue Number

    AR-M02236

    Parent Drug

    MONTELUKAST

    CAS Number

    1266620-74-9
    Montelukast EP Impurity A Sodium Salt

    Synonym

    sodium(S,E)-2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetate

    Molecular Formula

    C35H35ClNO3S. Na

    Molecular Weight

    585.19 22.99

    Catalogue Number

    AR-M02235

    Parent Drug

    MONTELUKAST

    CAS Number

    190078-45-6
    Montelukast EP Impurity H

    Synonym

    (R,E)-2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(methoxycarbonyl)phenyl)propyl)thio)methyl)cyclopropyl)aceticacid

    Molecular Formula

    C34H32ClNO4S

    Molecular Weight

    586.16

    Catalogue Number

    AR-M02234

    Parent Drug

    MONTELUKAST

    CAS Number

    851755-56-1
    Montelukast Keto Carbinol Impurity

    Synonym

    (R,E)-2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxyacetyl)phenyl)propyl)thio)methyl)cyclopropyl)aceticacid

    Molecular Formula

    C34H32ClNO4S

    Molecular Weight

    586.16

    Catalogue Number

    AR-M02233

    Parent Drug

    MONTELUKAST

    CAS Number

    N/A
    Montelukast Impurity I

    Synonym

    2-(1-((((R)-1-(3-((E)-2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)-2-hydroxyaceticacid

    Molecular Formula

    C35H36ClNO4S

    Molecular Weight

    602.20

    Catalogue Number

    AR-M02232

    Parent Drug

    MONTELUKAST
    Montelukast EP Impurity G (cis-Montelukast)

    Synonym

    (R,Z)-2-(1-(((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)aceticacid

    Molecular Formula

    C35H36ClNO3S

    Molecular Weight

    586.20

    Catalogue Number

    AR-M02231

    Parent Drug

    MONTELUKAST

    CAS Number

    774538-96-4