Montelukast Sodium
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Montelukast API Reference standards and its EP Impurities, USP Impurities, non pharmacopeial Impurities, listed below & also offered custom synthesis for unknown Impurities. If require any contact info@drjcrbio.com, sales@drjcrbio.com
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Product Name : Montelukast Sulfone ; 1-[[[1-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]sulfonyl]methyl]cyclopropaneacetic Acid | 1266620-74-9
Code: JCMNT-40 CAS: 1266620-74-9 Chemical Formula: C35H36ClNO5S Molecular Weight: 618.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Sulfone ; 1-[[[1-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]sulfonyl]methyl]cyclopropaneacetic Acid | 1266620-74-9 is useful as reference Impurity standard ![Montelukast Sulfone ; 1-[[[1-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]sulfonyl]methyl]cyclopropaneacetic Acid | 1266620-74-9](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-41.png)
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Product Name : Montelukast Sodium : 2-[1-[[(1R)-1-[3-[2-[(7-chloro-2-quinolyl)]vinyl]phenyl]-3-[2-(1-hydroxy-1-methyl-ethyl)phenyl]-propyl]sulfanylmethyl]cyclopropyl]acetic acid sodium salt | 151767-02-1
Code: JCMNT-39 CAS: 151767-02-1 Chemical Formula: C35H35ClNNaO3S Molecular Weight: 608.17 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Sodium : 2-[1-[[(1R)-1-[3-[2-[(7-chloro-2-quinolyl)]vinyl]phenyl]-3-[2-(1-hydroxy-1-methyl-ethyl)phenyl]-propyl]sulfanylmethyl]cyclopropyl]acetic acid sodium salt | 151767-02-1 is useful as reference Impurity standard ![Montelukast Sodium : 2-[1-[[(1R)-1-[3-[2-[(7-chloro-2-quinolyl)]vinyl]phenyl]-3-[2-(1-hydroxy-1-methyl-ethyl)phenyl]-propyl]sulfanylmethyl]cyclopropyl]acetic acid sodium salt | 151767-02-1](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-40.png)
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Product Name : Montelukast Nitrile Impurity ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetonitrile | 866923-62-8
Code: JCMNT-38 CAS: 866923-62-8 Chemical Formula: C35H35ClN2OS Molecular Weight: 567.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Nitrile Impurity ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetonitrile | 866923-62-8 is useful as reference Impurity standard ![Montelukast Nitrile Impurity ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetonitrile | 866923-62-8](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-39.png)
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Product Name : Montelukast Methyl Ether ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-methoxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid | 1351973-25-5
Code: JCMNT-37 CAS: 1351973-25-5 Chemical Formula: C36H38ClNO3S Molecular Weight: 600.21 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Methyl Ether ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-methoxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid | 1351973-25-5 is useful as reference Impurity standard ![Montelukast Methyl Ether ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-methoxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid | 1351973-25-5](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-38.png)
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Product Name : Montelukast Methoxymethoxy Impurity ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-[1-hydroxy-2-(methoxymethoxy)-1-methylethyl]phenyl]propyl]thio]methyl]cyclo propaneacetic acid | 184764-27-0
Code: JCMNT-36 CAS: 184764-27-0 Chemical Formula: C37H40ClNO5S Molecular Weight: 646.24 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Methoxymethoxy Impurity ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-[1-hydroxy-2-(methoxymethoxy)-1-methylethyl]phenyl]propyl]thio]methyl]cyclo propaneacetic acid | 184764-27-0 is useful as reference Impurity standard ![Montelukast Methoxymethoxy Impurity ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-[1-hydroxy-2-(methoxymethoxy)-1-methylethyl]phenyl]propyl]thio]methyl]cyclo propaneacetic acid | 184764-27-0](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-37.png)
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Product Name : Montelukast Mercapto Acid Impurity ; Montelukast Mercapto Impurity ; 3-(Mercaptomethyl)cyclopropane acetic acid ; 2-[1-(Mercaptomethyl)cyclopropyl]acetic acid | 162515-68-6
Code: JCMNT-35 CAS: 162515-68-6 Chemical Formula: C6H10O2S Molecular Weight: 146.21 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Mercapto Acid Impurity ; Montelukast Mercapto Impurity ; 3-(Mercaptomethyl)cyclopropane acetic acid ; 2-[1-(Mercaptomethyl)cyclopropyl]acetic acid | 162515-68-6 is useful as reference Impurity standard ![Montelukast Mercapto Acid Impurity ; Montelukast Mercapto Impurity ; 3-(Mercaptomethyl)cyclopropane acetic acid ; 2-[1-(Mercaptomethyl)cyclopropyl]acetic acid | 162515-68-6](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-36.png)
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Product Name : Montelukast Lactone ; (3S)-3-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-4,5-dihydro-2-benzoxepin-1(3H)-one | 1100617-38-6
Code: JCMNT-34 CAS: 1100617-38-6 Chemical Formula: C27H20ClNO2 Molecular Weight: 425.91 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Lactone ; (3S)-3-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-4,5-dihydro-2-benzoxepin-1(3H)-one | 1100617-38-6 is useful as reference Impurity standard ![Montelukast Lactone ; (3S)-3-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-4,5-dihydro-2-benzoxepin-1(3H)-one | 1100617-38-6](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-35.png)
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Product Name : Montelukast Ketone Impurity (USP) ;Montelukast 3-Oxo Propanol Impurity ; (E)-1-{3-[2-(7-Chloroquinolin-2-yl)vinyl]phenyl}-3-[2-(2-hydroxypropan-2-yl)phenyl]propan-1-one | 1258428-71-5
Code: JCMNT-33 CAS:1258428-71-5 Chemical Formula: C29H26ClNO2 Molecular Weight: 455.98 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Ketone Impurity (USP) ;Montelukast 3-Oxo Propanol Impurity ; (E)-1-{3-[2-(7-Chloroquinolin-2-yl)vinyl]phenyl}-3-[2-(2-hydroxypropan-2-yl)phenyl]propan-1-one | 1258428-71-5 is useful as reference Impurity standard ![Montelukast Ketone Impurity (USP) ;Montelukast 3-Oxo Propanol Impurity ; (E)-1-{3-[2-(7-Chloroquinolin-2-yl)vinyl]phenyl}-3-[2-(2-hydroxypropan-2-yl)phenyl]propan-1-one | 1258428-71-5](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-34.png)
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Product Name : Montelukast Ketocarbinol Impurity ;Montelukast Hydroxymethylcarbonyl Analog ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl) ethenyl] phenyl]-3-[2-(1-oxo-2-hydroxyethyl) phenyl] propyl] thio] methyl] cyclopropaneacetic acid
Code: JCMNT-32 CAS: Chemical Formula: C34H32ClNO4S Molecular Weight: 586.14 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Ketocarbinol Impurity ;Montelukast Hydroxymethylcarbonyl Analog ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl) ethenyl] phenyl]-3-[2-(1-oxo-2-hydroxyethyl) phenyl] propyl] thio] methyl] cyclopropaneacetic acid is useful as reference Impurity standard ![Montelukast Ketocarbinol Impurity ;Montelukast Hydroxymethylcarbonyl Analog ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl) ethenyl] phenyl]-3-[2-(1-oxo-2-hydroxyethyl) phenyl] propyl] thio] methyl] cyclopropaneacetic acid](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-33.png)
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Product Name : Montelukast Ether Impurity ; 7-Chloro-2-[2-[3-(1,3,4,5-tetrahydro-1,1-dimethyl-2-benzoxepin-3-yl)phenyl]ethenyl]quinoline | 168214-67-3
Code: JCMNT-31 CAS: 168214-67-3 Chemical Formula: C29H26ClNO Molecular Weight: 439.98 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Ether Impurity ; 7-Chloro-2-[2-[3-(1,3,4,5-tetrahydro-1,1-dimethyl-2-benzoxepin-3-yl)phenyl]ethenyl]quinoline | 168214-67-3 is useful as reference Impurity standard ![Montelukast Ether Impurity ; 7-Chloro-2-[2-[3-(1,3,4,5-tetrahydro-1,1-dimethyl-2-benzoxepin-3-yl)phenyl]ethenyl]quinoline | 168214-67-3](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-32.png)
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Product Name : Montelukast EP 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
Code: JCMNT-30 CAS: Chemical Formula: C35H36ClNO4S Molecular Weight: 602.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast EP 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 is useful as reference Impurity standard ![Montelukast EP 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](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-31.png)
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Product Name : Montelukast EP Impurity G ;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 | 774538-96-4
Code: JCMNT-29 CAS: 774538-96-4 Chemical Formula: C35H36ClNO3S Molecular Weight:586.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast EP Impurity G ;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 | 774538-96-4 is useful as reference Impurity standard ![Montelukast EP Impurity G ;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 | 774538-96-4](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-29.png)
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Product Name : Montelukast EP Impurity F ;Montelukast USP Related Compound E ; Montelukast Methylketone ; [1-[[[(1R)-3-(2-acetylphenyl)-1-[3-[(E)-2-(7-chloroquinolin-2- yl)ethenyl]phenyl] propyl]sulfanyl]methyl]cyclopropyl]acetic acid | 937275-23-5
Code: JCMNT-28 CAS: 937275-23-5 Chemical Formula: C34H32ClNO3S Molecular Weight: 570.14 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast EP Impurity F ;Montelukast USP Related Compound E ; Montelukast Methylketone ; [1-[[[(1R)-3-(2-acetylphenyl)-1-[3-[(E)-2-(7-chloroquinolin-2- yl)ethenyl]phenyl] propyl]sulfanyl]methyl]cyclopropyl]acetic acid | 937275-23-5 is useful as reference Impurity standard ![Montelukast EP Impurity F ;Montelukast USP Related Compound E ; Montelukast Methylketone ; [1-[[[(1R)-3-(2-acetylphenyl)-1-[3-[(E)-2-(7-chloroquinolin-2- yl)ethenyl]phenyl] propyl]sulfanyl]methyl]cyclopropyl]acetic acid | 937275-23-5](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-28.png)
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Product Name : Montelukast EP Impurity E ;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 | 1187586-58-8
Code: JCMNT-27 CAS: 1187586-58-8 Chemical Formula: C41H46ClNO5S2 Molecular Weight: 732.39 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast EP Impurity E ;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 | 1187586-58-8 is useful as reference Impurity standard ![Montelukast EP Impurity E ;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 | 1187586-58-8](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-27.png)
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Product Name : Montelukast EP Impurity D ;Montelukast USP Related Compound C ; Montelukast Michael Adduct (R,R)-Isomer ; Montelukast Bis-Sulfide (Mixture of Diastereomers) ; 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 | 1187586-61-3
Code: JCMNT-26 CAS: 1187586-61-3 Chemical Formula: C41H46ClNO5S2 Molecular Weight: 732.39 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast EP Impurity D ;Montelukast USP Related Compound C ; Montelukast Michael Adduct (R,R)-Isomer ; Montelukast Bis-Sulfide (Mixture of Diastereomers) ; 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 | 1187586-61-3 is useful as reference Impurity standard ![Montelukast EP Impurity D ;Montelukast USP Related Compound C ; Montelukast Michael Adduct (R,R)-Isomer ; Montelukast Bis-Sulfide (Mixture of Diastereomers) ; 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 | 1187586-61-3](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-26.png)
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Product Name : Montelukast EP Impurity C ;Montelukast USP Related Compound A ; Montelukast Sulfoxide ; Montelukast S-Oxide ; [1-[[[1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydrox-ypropan-2-yl)phenyl]propyl]sulfinyl]methyl]cyclopropyl]acetic acid | 909849-96-3
Code: JCMNT-25 CAS: 909849-96-3 Chemical Formula: C35H36ClNO4S Molecular Weight: 602.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast EP Impurity C ;Montelukast USP Related Compound A ; Montelukast Sulfoxide ; Montelukast S-Oxide ; [1-[[[1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydrox-ypropan-2-yl)phenyl]propyl]sulfinyl]methyl]cyclopropyl]acetic acid | 909849-96-3 is useful as reference Impurity standard ![Montelukast EP Impurity C ;Montelukast USP Related Compound A ; Montelukast Sulfoxide ; Montelukast S-Oxide ; [1-[[[1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydrox-ypropan-2-yl)phenyl]propyl]sulfinyl]methyl]cyclopropyl]acetic acid | 909849-96-3](https://drjcrbio.com/wp-content/uploads/Montelukast-Imp-C.png)
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Product Name : Montelukast EP Impurity B ;Montelukast USP Related Compound F ; Montelukast Methylstyrene ; Anhydro Montelukast ; Dehydro Montelukast ; Styrene Montelukast ; [1-[[[(1R)-1-[3-[(E)-2-(7-Chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(prop-1-en-2- yl)phenyl]propyl]sulfanyl]methyl]cyclopropyl]acetic acid | 918972-54-0
Code: JCMNT-24 CAS: 918972-54-0 Chemical Formula: C35H34ClNO2S Molecular Weight: 568.17 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast EP Impurity B ;Montelukast USP Related Compound F ; Montelukast Methylstyrene ; Anhydro Montelukast ; Dehydro Montelukast ; Styrene Montelukast ; [1-[[[(1R)-1-[3-[(E)-2-(7-Chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(prop-1-en-2- yl)phenyl]propyl]sulfanyl]methyl]cyclopropyl]acetic acid | 918972-54-0 is useful as reference Impurity standard ![Montelukast EP Impurity B ;Montelukast USP Related Compound F ; Montelukast Methylstyrene ; Anhydro Montelukast ; Dehydro Montelukast ; Styrene Montelukast ; [1-[[[(1R)-1-[3-[(E)-2-(7-Chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(prop-1-en-2- yl)phenyl]propyl]sulfanyl]methyl]cyclopropyl]acetic acid | 918972-54-0](https://drjcrbio.com/wp-content/uploads/Montelukast-Imp-B.png)
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Product Name : Montelukast EP Impurity A ; Montelukast EP Impurity A (Sodium Salt) ; Montelukast Sodium (S)-Isomer ; ent-Montelukast Sodium Salt ; 1-[[[(1S)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid sodium salt | 190078-45-6
Code: JCMNT-23 CAS: 190078-45-6 Chemical Formula: C35H35ClNNaO3S Molecular Weight: 608.17 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast EP Impurity A ; Montelukast EP Impurity A (Sodium Salt) ; Montelukast Sodium (S)-Isomer ; ent-Montelukast Sodium Salt ; 1-[[[(1S)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid sodium salt | 190078-45-6 is useful as reference Impurity standard ![Montelukast EP Impurity A ; Montelukast EP Impurity A (Sodium Salt) ; Montelukast Sodium (S)-Isomer ; ent-Montelukast Sodium Salt ; 1-[[[(1S)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid sodium salt | 190078-45-6](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-23.png)
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Product Name : Montelukast Disulfide Dimethyl Ester ; Methyl 2-(1-((2-((1-methoxycarbonylmethylcyclopropyl)methyl)disulfanyl) methyl)cyclopropyl)acetate | 1446481-28-2
Code: JCMNT-22 CAS: 1446481-28-2 Chemical Formula: C14H22O4S2 Molecular Weight: 318.45 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Disulfide Dimethyl Ester ; Methyl 2-(1-((2-((1-methoxycarbonylmethylcyclopropyl)methyl)disulfanyl) methyl)cyclopropyl)acetate | 1446481-28-2 is useful as reference Impurity standard 
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Product Name : Montelukast Disulfide Diacid Impurity ;Montelukast Disulfide Impurity ; 2-(1-((2-((1-Carboxymethylcyclopropyl)methyl)disulfanyl)methyl)cyclo propyl)acetic acid | 162515-67-5
Code: JCMNT-21 CAS: 162515-67-5 Chemical Formula: C12H18O4S2 Molecular Weight: 290.40 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Disulfide Diacid Impurity ;Montelukast Disulfide Impurity ; 2-(1-((2-((1-Carboxymethylcyclopropyl)methyl)disulfanyl)methyl)cyclo propyl)acetic acid | 162515-67-5 is useful as reference Impurity standard 
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Product Name : Montelukast Dihydro Impurity ;Dihydro Montelukast (Acid) ; 1-[[[(1R)-1-[3-[2-(7-Chloro-2-quinolinyl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid | 142147-98-6
Code: JCMNT-20 CAS: 142147-98-6 Chemical Formula: C35H38ClNO3S Molecular Weight: 588.2 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Dihydro Impurity ;Dihydro Montelukast (Acid) ; 1-[[[(1R)-1-[3-[2-(7-Chloro-2-quinolinyl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid | 142147-98-6 is useful as reference Impurity standard ![Montelukast Dihydro Impurity ;Dihydro Montelukast (Acid) ; 1-[[[(1R)-1-[3-[2-(7-Chloro-2-quinolinyl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid | 142147-98-6](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-20.png)
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Product Name : Montelukast Dicyclohexylamine ;Montelukast DCHA ; 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 | 577953-88-9
Code: JCMNT-19 CAS: 577953-88-9 Chemical Formula: C47H59ClN2O3S Molecular Weight: 767.5 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Dicyclohexylamine ;Montelukast DCHA ; 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 | 577953-88-9 is useful as reference Impurity standard ![Montelukast Dicyclohexylamine ;Montelukast DCHA ; 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 | 577953-88-9](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-19.png)
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Product Name : Montelukast Dicarboxylic Acid Disodium Salt : Montelukast Dicarboxylic Acid (Mixture of Diastereomers) ; 2-[(3R)-3-[[[1-(Carboxymethyl)cyclopropyl]methyl]thio]-3-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]propyl]-α-hydroxy-α-methylbenzeneacetic acid | 213380-27-9
Code: JCMNT-18 CAS: 213380-27-9 Chemical Formula: C35H32ClNNa2O5S Molecular Weight: 660.13 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Dicarboxylic Acid Disodium Salt : Montelukast Dicarboxylic Acid (Mixture of Diastereomers) ; 2-[(3R)-3-[[[1-(Carboxymethyl)cyclopropyl]methyl]thio]-3-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]propyl]-α-hydroxy-α-methylbenzeneacetic acid | 213380-27-9 is useful as reference Impurity standard ![Montelukast Dicarboxylic Acid Disodium Salt : Montelukast Dicarboxylic Acid (Mixture of Diastereomers) ; 2-[(3R)-3-[[[1-(Carboxymethyl)cyclopropyl]methyl]thio]-3-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]propyl]-α-hydroxy-α-methylbenzeneacetic acid | 213380-27-9](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-18.png)
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Product Name : Montelukast Amide ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] cyclopropaneacetamide | 866923-63-9
Code: JCMNT-17 CAS: 866923-63-9 Chemical Formula: 866923-63-9 Molecular Weight: 585.20 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Amide ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] cyclopropaneacetamide | 866923-63-9 is useful as reference Impurity standard ![Montelukast Amide ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] cyclopropaneacetamide | 866923-63-9](https://drjcrbio.com/wp-content/uploads/Montelukast-Amide.png)
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Product Name : Montelukast Acyl-β-D-Glucuronide Acetate ; 1-[1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetate] β-D-Glucopyranuronic acid acetic acid salt | 188717-17-1
Code: JCMNT-16 CAS: 188717-17-1 Chemical Formula: C43H48ClNO11S Molecular Weight: 822.36 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Acyl-β-D-Glucuronide Acetate ; 1-[1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetate] β-D-Glucopyranuronic acid acetic acid salt | 188717-17-1 is useful as reference Impurity standard ![Montelukast Acyl-β-D-Glucuronide Acetate ; 1-[1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetate] β-D-Glucopyranuronic acid acetic acid salt | 188717-17-1](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-16.png)
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Product Name : Montelukast Acid Racemate ; 1-[[[(1RS)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid
Code: JCMNT-15 CAS: Chemical Formula: C35H36ClNO3S Molecular Weight: 586.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Acid Racemate ; 1-[[[(1RS)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid is useful as reference Impurity standard ![Montelukast Acid Racemate ; 1-[[[(1RS)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-15.png)
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Product Name : Montelukast Acid Methyl Ester Methyl Ether ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-methoxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid methyl ester
Code: JCMNT-14 CAS: Chemical Formula: C37H40ClNO3S Molecular Weight: 614.24 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Acid Methyl Ester Methyl Ether ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-methoxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid methyl este is useful as reference Impurity standard ![Montelukast Acid Methyl Ester Methyl Ether ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-methoxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid methyl ester](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-14.png)
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Product Name : Montelukast Acid Methyl Ester ; 1-[[[1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid methyl ester
Code: JCMNT-13 CAS: Chemical Formula: C36H38ClNO3S Molecular Weight: 600.21 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Acid Methyl Ester ; 1-[[[1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid methyl ester is useful as reference Impurity standard ![Montelukast Acid Methyl Ester ; 1-[[[1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid methyl ester](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-13.png)
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Product Name : Montelukast Acid ;(R-(E))-1-(((1-(3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl)-3-(2-(1-hydroxy-1-methylethyl)phenyl)propyl)thio)methyl)cyclopropaneacetic acid ; 2-[1-[[(1R)-1-[3-[(E)-2-(7-Chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydroxypropan-2-yl)phenyl]propyl]sulfanylmethyl]cyclopropyl]acetic acid | 158966-92-8
Code: JCMNT-12 CAS: 158966-92-8 Chemical Formula: C35H36ClNO3S Molecular Weight: 586.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast Acid ;(R-(E))-1-(((1-(3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl)-3-(2-(1-hydroxy-1-methylethyl)phenyl)propyl)thio)methyl)cyclopropaneacetic acid ; 2-[1-[[(1R)-1-[3-[(E)-2-(7-Chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydroxypropan-2-yl)phenyl]propyl]sulfanylmethyl]cyclopropyl]acetic acid | 158966-92-8 is useful as reference Impurity standard ![Montelukast Acid ;(R-(E))-1-(((1-(3-(2-(7-Chloro-2-quinolinyl)ethenyl)phenyl)-3-(2-(1-hydroxy-1-methylethyl)phenyl)propyl)thio)methyl)cyclopropaneacetic acid ; 2-[1-[[(1R)-1-[3-[(E)-2-(7-Chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydroxypropan-2-yl)phenyl]propyl]sulfanylmethyl]cyclopropyl]acetic acid | 158966-92-8](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-12.png)
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Product Name : Montelukast 3-Oxo Benzoate ;2-[3-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-oxopropyl]benzoic acid methyl ester ; 2-(3-(2-(7-Chloro-2-quinolinyl)-ethenyl-phenyl)-3-oxo-propyl)-1-methoxycarbonylbenzene ; Methyl [E]-2-[3-[3-[2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-3-oxopropyl]benzoate | 149968-11-6
Code: JCMNT-11 CAS: 149968-11-6 Chemical Formula: C28H22ClNO3 Molecular Weight: 455.93 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast 3-Oxo Benzoate ;2-[3-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-oxopropyl]benzoic acid methyl ester ; 2-(3-(2-(7-Chloro-2-quinolinyl)-ethenyl-phenyl)-3-oxo-propyl)-1-methoxycarbonylbenzene ; Methyl [E]-2-[3-[3-[2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-3-oxopropyl]benzoate | 149968-11-6 is useful as reference Impurity standard ![Montelukast 3-Oxo Benzoate ;2-[3-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-oxopropyl]benzoic acid methyl ester ; 2-(3-(2-(7-Chloro-2-quinolinyl)-ethenyl-phenyl)-3-oxo-propyl)-1-methoxycarbonylbenzene ; Methyl [E]-2-[3-[3-[2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-3-oxopropyl]benzoate | 149968-11-6](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-11.png)
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Product Name : Montelukast 1,2-Diol ;Montelukast 1,2-Diol (Mixture of Diastereomers) ; 2-Hydroxy Montelukast ; 1-[1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1,2-diol-2-methyl ethyl)phenyl]propyl]thio]methyl]cyclopropane acetic acid | 186352-97-6
Code: JCMNT-10 CAS: 186352-97-6 Chemical Formula: C35H36ClNO4S Molecular Weight: 602.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast 1,2-Diol ;Montelukast 1,2-Diol (Mixture of Diastereomers) ; 2-Hydroxy Montelukast ; 1-[1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1,2-diol-2-methyl ethyl)phenyl]propyl]thio]methyl]cyclopropane acetic acid | 186352-97-6 is useful as reference Impurity standard ![Montelukast 1,2-Diol ;Montelukast 1,2-Diol (Mixture of Diastereomers) ; 2-Hydroxy Montelukast ; 1-[1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1,2-diol-2-methyl ethyl)phenyl]propyl]thio]methyl]cyclopropane acetic acid | 186352-97-6](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-10.png)
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Product Name : Montelukast (S)-Hydroxy Metabolite ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-(S)-hydroxy-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid | 184763-29-9
Code: JCMNT-09 CAS: 184763-29-9 Chemical Formula: C35H36ClNO4S Molecular Weight: 602.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast (S)-Hydroxy Metabolite ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-(S)-hydroxy-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid | 184763-29-9 is useful as reference Impurity standard ![Montelukast (S)-Hydroxy Metabolite ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-(S)-hydroxy-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid | 184763-29-9](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-9.png)
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Product Name : Montelukast (R)-Hydroxy Metabolite ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-(R)-hydroxy-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid | 184763-26-6
Code: JCMNT-08 CAS: 184763-26-6 Chemical Formula: C35H36ClNO4S Molecular Weight: 602.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Montelukast (R)-Hydroxy Metabolite ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-(R)-hydroxy-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid | 184763-26-6 is useful as reference Impurity standard ![Montelukast (R)-Hydroxy Metabolite ; 1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-(R)-hydroxy-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid | 184763-26-6](http://drjcrbio.com/wp-content/themes/shopperpress/thumbs/M-8.png)
