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Montelukast

Montelukast EP Impurity H

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Montelukast EP Impurity H
CAS No: 851755-56-1
Molecular Formula: C34H32ClNO4S
Molecular Weight: 586.14
SZ CAT No: SZ-M031028
Inv. Status: In Stock
Synonyms : 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 ;

Stable Isotopes and Metabolites

Montelukast-D6 Sodium Salt

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CAS No : 151767-02-1 (unlabelled free acid)
Molecular Formula: C35H29D6ClNNaO3S
Molecular Weight: 614.2
CAT No: SZ-M031D01
Inv. Status: Custom Synthesis

Pharmaceutical Reference Standards

Montelukast

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CAS No : 158966-92-8
Molecular Formula: C35H36ClNO3S
Molecular Weight: 586.18
CAT No: SZ-M031000
Inv. Status: Custom Synthesis

Montelukast EP Impurity A

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CAS No : 190078-45-6
Molecular Formula: C35H35ClNNaO3S
Molecular Weight: 608.17
CAT No: SZ-M031021
Inv. Status: Limited Stock

Montelukast EP Impurity B

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CAS No : 918972-54-0
Molecular Formula: C35H34ClNO2S
Molecular Weight: 568.17
CAT No: SZ-M031022
Inv. Status: In Stock

Montelukast EP Impurity C

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CAS No : 909849-96-3
Molecular Formula: C35H36ClNO4S
Molecular Weight: 602.18
CAT No: SZ-M031023
Inv. Status: In Stock

Montelukast EP Impurity D

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CAS No : 1187586-61-3
Molecular Formula: C41H46ClNO5S2
Molecular Weight: 732.39
CAT No: SZ-M031024
Inv. Status: In Stock

Montelukast EP Impurity E

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CAS No : 1187586-58-8
Molecular Formula: C41H46ClNO5S2
Molecular Weight: 732.39
CAT No: SZ-M031025
Inv. Status: In Stock

Montelukast EP Impurity F

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CAS No : 937275-23-5
Molecular Formula: C34H32ClNO3S
Molecular Weight: 570.14
CAT No: SZ-M031026
Inv. Status: In Stock

Montelukast EP Impurity G

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CAS No : 774538-96-4
Molecular Formula: C35H36ClNO3S
Molecular Weight: 586.18
CAT No: SZ-M031027
Inv. Status: In Stock

Montelukast EP Impurity H

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CAS No : 851755-56-1
Molecular Formula: C34H32ClNO4S
Molecular Weight: 586.14
CAT No: SZ-M031028
Inv. Status: In Stock

Montelukast EP Impurity I

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CAS No : 2045402-27-3
Molecular Formula: C35H36ClNO4S
Molecular Weight: 602.18
CAT No: SZ-M031029
Inv. Status: Out of Stock

Montelukast Ether Impurity

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CAS No : 168214-67-3
Molecular Formula: C29H26ClNO
Molecular Weight: 439.98
CAT No: SZ-M031030
Inv. Status: Custom Synthesis

Montelukast Ketocarbinol Impurity

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CAS No : NA
Molecular Formula: C34H32ClNO4S
Molecular Weight: 586.14
CAT No: SZ-M031031
Inv. Status: Custom Synthesis

Montelukast Ketone Impurity (USP)

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CAS No : 1258428-71-5
Molecular Formula: C29H26ClNO2
Molecular Weight: 455.98
CAT No: SZ-M031032
Inv. Status: In Stock

Montelukast Lactone

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CAS No : 100617-38-6
Molecular Formula: C27H20ClNO2
Molecular Weight: 425.91
CAT No: SZ-M031033
Inv. Status: Custom Synthesis

Montelukast Mercapto Acid Impurity

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CAS No : 162515-68-6
Molecular Formula: C6H10O2S
Molecular Weight: 146.21
CAT No: SZ-M031034
Inv. Status: Custom Synthesis

Montelukast Methoxymethoxy Impurity

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CAS No : 184764-27-0
Molecular Formula: C37H40ClNO5S
Molecular Weight: 646.24
CAT No: SZ-M031035
Inv. Status: Custom Synthesis

Montelukast Methyl Ether

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CAS No : 1351973-25-5
Molecular Formula: C36H38ClNO3S
Molecular Weight: 600.21
CAT No: SZ-M031036
Inv. Status: In Stock

Montelukast Nitrile Impurity

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CAS No : 866923-62-8
Molecular Formula: C35H35ClN2OS
Molecular Weight: 567.18
CAT No: SZ-M031037
Inv. Status: Limited Stock

Montelukast Racemate (Acid)

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CAS No : NA
Molecular Formula: C35H36ClNO3S
Molecular Weight: 586.18
CAT No: SZ-M031038
Inv. Status: Custom Synthesis

Montelukast Sodium

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CAS No : 151767-02-1
Molecular Formula: C35H35ClNNaO3S
Molecular Weight: 608.17
CAT No: SZ-M031039
Inv. Status: In Stock

Montelukast Sulfone

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CAS No : 1266620-74-9
Molecular Formula: C35H36ClNO5S
Molecular Weight: 618.18
CAT No: SZ-M031040
Inv. Status: Custom Synthesis

Montelukast Impurity

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CAS No : 152922-86-6
Molecular Formula: C7H11NO3S
Molecular Weight: 189.2
CAT No: SZ-M031041
Inv. Status: Out of Stock

Montelukast EP Impurity D / E

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CAS No : 2125943-58-8
Molecular Formula: C41H46ClNO5S2
Molecular Weight: 732.39
CAT No: SZ-M031042
Inv. Status: Out of Stock

Montelukast (3R)-Hydroxy Benzoate

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CAS No : 150026-72-5
Molecular Formula: C28H24ClNO3
Molecular Weight: 457.95
CAT No: SZ-M031043
Inv. Status: Custom Synthesis

Montelukast (3R)-Hydroxy Propanol

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CAS No : 150026-75-8
Molecular Formula: C29H28ClNO2
Molecular Weight: 457.99
CAT No: SZ-M031044
Inv. Status: Custom Synthesis

Montelukast (3RS)-Hydroxy Propanol

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CAS No : 959235-68-8
Molecular Formula: C29H28ClNO2
Molecular Weight: 457.99
CAT No: SZ-M031045
Inv. Status: Custom Synthesis

Montelukast (3S)-Hydroxy Benzoate

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CAS No : 142569-69-5
Molecular Formula: C28H24ClNO3
Molecular Weight: 457.95
CAT No: SZ-M031046
Inv. Status: Custom Synthesis

Montelukast (3S)-Hydroxy Methoxymethoxy Impurity

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CAS No : 184764-20-3
Molecular Formula: C31H32ClNO4
Molecular Weight: 518.04
CAT No: SZ-M031047
Inv. Status: Custom Synthesis

Montelukast (3S)-Hydroxy Methylketone

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CAS No : 184764-13-4
Molecular Formula: C28H24ClNO2
Molecular Weight: 441.14
CAT No: SZ-M031048
Inv. Status: Custom Synthesis

Montelukast (3S)-Hydroxy Propanol

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CAS No : 287930-77-2
Molecular Formula: C29H28ClNO2
Molecular Weight: 457.99
CAT No: SZ-M031049
Inv. Status: In Stock

Montelukast (R)-Hydroxy Metabolite

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CAS No : 184763-26-6
Molecular Formula: C35H36ClNO4S
Molecular Weight: 602.18
CAT No: SZ-M031050
Inv. Status: Custom Synthesis

Montelukast (S)-Hydroxy Metabolite

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CAS No : 184763-29-9
Molecular Formula: C35H36ClNO4S
Molecular Weight: 602.18
CAT No: SZ-M031051
Inv. Status: Custom Synthesis

Montelukast 1,2-Diol

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CAS No : 186352-97-6
Molecular Formula: C35H36ClNO4S
Molecular Weight: 602.18
CAT No: SZ-M031052
Inv. Status: Custom Synthesis

Montelukast 3-Oxo Benzoate

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CAS No : 149968-11-6
Molecular Formula: C28H22ClNO3 
Molecular Weight: 455.93
CAT No: SZ-M031053
Inv. Status: Custom Synthesis

Montelukast Acid Methyl Ester

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CAS No : 855473-51-7
Molecular Formula: C36H38ClNO3S
Molecular Weight: 600.21
CAT No: SZ-M031054
Inv. Status: In Stock

Montelukast Acyl-β-D-Glucuronide Acetate

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CAS No : 188717-17-1
Molecular Formula: C43H48ClNO11S
Molecular Weight: 822.36
CAT No: SZ-M031055
Inv. Status: Custom Synthesis

Montelukast Amide

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CAS No : 866923-63-9
Molecular Formula: C35H37ClN2O2S
Molecular Weight: 585.2
CAT No: SZ-M031056
Inv. Status: Custom Synthesis

Montelukast Dicarboxylic Acid Disodium Salt

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CAS No : 213380-27-9
Molecular Formula: C35H32ClNNa2O5S
Molecular Weight: 660.13
CAT No: SZ-M031057
Inv. Status: Custom Synthesis

Montelukast Dicyclohexylamine

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CAS No : 577953-88-9
Molecular Formula: C47H59ClN2O3S
Molecular Weight: 767.5
CAT No: SZ-M031058
Inv. Status: In Stock

Montelukast Dihydro Impurity

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CAS No : 142147-67-9
Molecular Formula: C35H38ClNO3S
Molecular Weight: 588.2
CAT No: SZ-M031059
Inv. Status: In Stock

Montelukast Disulfide Diacid Impurity

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CAS No : 162515-67-5
Molecular Formula: C12H18O4S2
Molecular Weight: 290.4
CAT No: SZ-M031060
Inv. Status: Custom Synthesis

Montelukast Disulfide Dimethyl Ester

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CAS No : 1446481-28-2
Molecular Formula: C14H22O4S2
Molecular Weight: 318.45
CAT No: SZ-M031061
Inv. Status: Custom Synthesis

Montelukast Chloroalcohol impurity

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CAS No : 880769-28-8
Molecular Formula: C29H27CI2NO
Molecular Weight: 476.44
CAT No: SZ-M031062
Inv. Status: In Stock

Montelukast Dehydro Impurity

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CAS No : 168214-68-4
Molecular Formula: C29H26ClNO
Molecular Weight: 439.98
CAT No: SZ-M031063
Inv. Status: Custom Synthesis

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