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Montelukast KSM-II Lactone Impurity

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Chemical Name: 5-thiaspiro[2.4]heptan-6-one
CAT No: VS-M084045
CAS No: 162515-66-4
Mol.F. C6H8OS
Mol.Wt.: 128.2
Status: Custom Synthesis


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Montelukast

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CAT No: VS-M084000
CAS No: 158966-92-8
Mol.F.: C35H36ClNO3S
Mol.Wt.: 586.2
Status: In Stock

Montelukast (3R)-Hydroxy Benzoate

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CAT No: VS-M084001
CAS No: 150026-72-5
Mol.F.: C28H24ClNO3
Mol.Wt.: 458
Status: In Stock

Montelukast (3R)-Hydroxy Propanol

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CAT No: VS-M084002
CAS No: 150026-75-8
Mol.F.: C29H28ClNO2
Mol.Wt.: 458
Status: Custom Synthesis

Montelukast (3RS)-Hydroxy Propanol

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CAT No: VS-M084003
CAS No: 959235-68-8
Mol.F.: C29H28ClNO2
Mol.Wt.: 458
Status: Custom Synthesis

Montelukast (3S)-Hydroxy Benzoate

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CAT No: VS-M084004
CAS No: 142569-69-5
Mol.F.: C28H24ClNO3
Mol.Wt.: 458
Status: Custom Synthesis

Montelukast (3S)-Hydroxy Methoxymethoxy Impurity

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CAT No: VS-M084005
CAS No: 184764-20-3
Mol.F.: C31H32ClNO4
Mol.Wt.: 518
Status: Custom Synthesis

Montelukast (3S)-Hydroxy Methylketone

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CAT No: VS-M084006
CAS No: 184764-13-4
Mol.F.: C28H24ClNO2
Mol.Wt.: 442
Status: In Stock

Montelukast (3S)-Hydroxy Propanol

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CAT No: VS-M084007
CAS No: 287930-77-2
Mol.F.: C29H28ClNO2
Mol.Wt.: 458
Status: Custom Synthesis

Montelukast (R)-Hydroxy Metabolite

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CAT No: VS-M084008
CAS No: 184763-26-6
Mol.F.: C35H36ClNO4S
Mol.Wt.: 602.2
Status: Custom Synthesis

Montelukast (S)-Hydroxy Metabolite

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CAT No: VS-M084009
CAS No: 184763-29-9
Mol.F.: C35H36ClNO4S
Mol.Wt.: 602.2
Status: Custom Synthesis

Montelukast 1,2-Diol

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CAT No: VS-M084010
CAS No: 186352-97-6
Mol.F.: C35H36ClNO4S
Mol.Wt.: 602.2
Status: Custom Synthesis

Montelukast 3-Oxo Benzoate

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CAT No: VS-M084011
CAS No: 149968-11-6
Mol.F.: C28H22ClNO3 
Mol.Wt.: 455.9
Status: In Stock

Montelukast Acid Methyl Ester

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CAT No: VS-M084012
CAS No: 855473-51-7
Mol.F.: C36H38ClNO3S
Mol.Wt.: 600.2
Status: Custom Synthesis

Montelukast Acyl-β-D-Glucuronide Acetate

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CAT No: VS-M084013
CAS No: 188717-17-1
Mol.F.: C43H48ClNO11S
Mol.Wt.: 822.4
Status: Custom Synthesis

Montelukast Amide

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CAT No: VS-M084014
CAS No: 866923-63-9
Mol.F.: C35H37ClN2O2S
Mol.Wt.: 585.2
Status: Custom Synthesis

Montelukast Dicarboxylic Acid Disodium Salt

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CAT No: VS-M084015
CAS No: 213380-27-9
Mol.F.: C35H32ClNNa2O5S
Mol.Wt.: 660.1
Status: Custom Synthesis

Montelukast Dicyclohexylamine

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CAT No: VS-M084016
CAS No: 577953-88-9
Mol.F.: C35H36ClNO3S : C12H23N
Mol.Wt.: 586.2 : 181.3
Status: Custom Synthesis

Montelukast Dihydro Impurity

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CAT No: VS-M084017
CAS No: 142147-98-6
Mol.F.: C35H38ClNO3S : Na
Mol.Wt.: 588.2 : 23.0
Status: In Stock

Montelukast Disulfide Diacid Impurity

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CAT No: VS-M084018
CAS No: 162515-67-5
Mol.F.: C12H18O4S2
Mol.Wt.: 290.4
Status: Custom Synthesis

Montelukast Disulfide Dimethyl Ester

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CAT No: VS-M084019
CAS No: 1446481-28-2
Mol.F.: C14H22O4S2
Mol.Wt.: 318.5
Status: Custom Synthesis

Montelukast Sodium EP Impurity A

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CAT No: VS-M084020
CAS No: 190078-45-6
Mol.F.: C35H35ClNNaO3S
Mol.Wt.: 608.2
Status: In Stock

Montelukast EP Impurity B

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CAT No: VS-M084021
CAS No: 918972-54-0
Mol.F.: C35H34ClNO2S
Mol.Wt.: 568.2
Status: In Stock

Montelukast EP Impurity C

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CAT No: VS-M084022
CAS No: 909849-96-3
Mol.F.: C35H36ClNO4S
Mol.Wt.: 602.2
Status: In Stock

Montelukast EP Impurity C (R isomer)

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CAT No: VS-M084023
CAS No: N/A
Mol.F.: C35H36ClNO4S
Mol.Wt.: 602.2
Status: Custom Synthesis

Montelukast EP Impurity D

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CAT No: VS-M084024
CAS No: 1187586-61-3
Mol.F.: C41H46ClNO5S2
Mol.Wt.: 732.4
Status: Out of Stock

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

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CAT No: VS-M084025
CAS No: 2125943-58-8
Mol.F.: C41H46ClNO5S2
Mol.Wt.: 732.4
Status: In Stock

Montelukast EP Impurity E

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CAT No: VS-M084026
CAS No: 1187586-58-8
Mol.F.: C41H46ClNO5S2
Mol.Wt.: 732.4
Status: Out of Stock

Montelukast EP Impurity F

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CAT No: VS-M084027
CAS No: 937275-23-5
Mol.F.: C34H32ClNO3S
Mol.Wt.: 570.1
Status: In Stock

Montelukast EP Impurity G

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CAT No: VS-M084028
CAS No: 774538-96-4
Mol.F.: C35H36ClNO3S
Mol.Wt.: 586.2
Status: In Stock

Montelukast EP Impurity H

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CAT No: VS-M084029
CAS No: 851755-56-1
Mol.F.: C34H32ClNO4S
Mol.Wt.: 586.1
Status: Custom Synthesis

Montelukast EP Impurity I

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CAT No: VS-M084030
CAS No: 2045402-27-3
Mol.F.: C35H36ClNO4S
Mol.Wt.: 602.2
Status: Custom Synthesis

Montelukast Ether Impurity

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CAT No: VS-M084031
CAS No: 168214-67-3
Mol.F.: C29H26ClNO
Mol.Wt.: 440
Status: Custom Synthesis

Montelukast Ketocarbinol Impurity

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CAT No: VS-M084032
CAS No: N/A
Mol.F.: C34H32ClNO4S
Mol.Wt.: 586.1
Status: Custom Synthesis

Montelukast Ketone Impurity

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CAT No: VS-M084033
CAS No: 1258428-71-5
Mol.F.: C29H26ClNO2
Mol.Wt.: 456
Status: In Stock

Montelukast Lactone

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CAT No: VS-M084034
CAS No: 1100617-38-6
Mol.F.: C27H20ClNO2
Mol.Wt.: 425.9
Status: Custom Synthesis

Montelukast Mercapto Acid Impurity

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CAT No: VS-M084035
CAS No: 162515-68-6
Mol.F.: C6H10O2S
Mol.Wt.: 146.2
Status: Custom Synthesis

Montelukast Methoxymethoxy Impurity

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CAT No: VS-M084036
CAS No: 184764-27-0
Mol.F.: C37H40ClNO5S
Mol.Wt.: 646.2
Status: Custom Synthesis

Montelukast Methyl Ether

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CAT No: VS-M084037
CAS No: 1351973-25-5
Mol.F.: C36H38ClNO3S
Mol.Wt.: 600.2
Status: Custom Synthesis

Montelukast Nitrile Impurity

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CAT No: VS-M084038
CAS No: 866923-62-8
Mol.F.: C35H35ClN2OS
Mol.Wt.: 567.2
Status: In Stock

Montelukast Racemate (Acid)

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CAT No: VS-M084039
CAS No: N/A
Mol.F.: C35H36ClNO3S
Mol.Wt.: 586.2
Status: Custom Synthesis

Montelukast Sodium

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CAT No: VS-M084040
CAS No: 151767-02-1
Mol.F.: C35H35ClNNaO3S
Mol.Wt.: 608.2
Status: In Stock

Montelukast Sulfone

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CAT No: VS-M084041
CAS No: 1266620-74-9
Mol.F.: C35H36ClNO5S
Mol.Wt.: 618.2
Status: Custom Synthesis

Montelukast Impurity

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CAT No: VS-M084042
CAS No: 152922-86-6
Mol.F.: C7H11NO3S
Mol.Wt.: 189.2
Status: Custom Synthesis

Montelukast Chloroalcohol impurity

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CAT No: VS-M084043
CAS No: 880769-28-8
Mol.F.: C29H27CI2NO
Mol.Wt.: 476.4
Status: Limited Stock

Montelukast Dehydro Impurity

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CAT No: VS-M084044
CAS No: 168214-68-4
Mol.F.: C29H26ClNO
Mol.Wt.: 440
Status: Custom Synthesis

Montelukast KSM-II Lactone Impurity

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CAT No: VS-M084045
CAS No: 162515-66-4
Mol.F.: C6H8OS
Mol.Wt.: 128.2
Status: Custom Synthesis

Montelukast Thioglucolate Analog

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CAT No: VS-M084046
CAS No: N/A
Mol.F.: C45H56ClNO5S2
Mol.Wt.: 790.5
Status: Custom Synthesis

Montelukast R-Sulfoxide

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CAT No: VS-M084047
CAS No: 1152185-58-4
Mol.F.: C35H36ClNO4S
Mol.Wt.: 602.2
Status: Custom Synthesis

Montelukast Impurity 1

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CAT No: VS-M084048
CAS No: 866923-64-0
Mol.F.: C6H9NS
Mol.Wt.: 127.2
Status: Custom Synthesis

Montelukast Impurity 2

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CAT No: VS-M084049
CAS No: 220927-27-5
Mol.F.: C35H36ClNO3S
Mol.Wt.: 586.2
Status: Custom Synthesis

Montelukast Impurity 3

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CAT No: VS-M084050
CAS No: 152922-71-9
Mol.F.: C6H9NO
Mol.Wt.: 111.1
Status: Custom Synthesis

Montelukast Impurity 4

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CAT No: VS-M084051
CAS No: N/A
Mol.F.: C45H56ClNO5S2
Mol.Wt.: 790.5
Status: Custom Synthesis

Montelukast Impurity 5

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CAT No: VS-M084052
CAS No: N/A
Mol.F.: C45H56ClNO5S2
Mol.Wt.: 790.5
Status: Custom Synthesis

Montelukast Impurity 6

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CAT No: VS-M084053
CAS No: 142569-70-8
Mol.F.: C29H28ClNO2
Mol.Wt.: 457.99
Status: Custom Synthesis

Montelukast Dimer Impurity

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CAT No: VS-M084054
CAS No: 120578-04-3
Mol.F.: C28H18Cl2N2
Mol.Wt.: 453.4
Status: Custom Synthesis

Montelukast Acid Impurity

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CAT No: VS-M084055
CAS No: NA
Mol.F.: C33H28ClNO4S2 : 2(Na)
Mol.Wt.: 570.1 : 2(23.0)
Status: Custom Synthesis

Montelukast Impurity 7

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CAT No: VS-M084056
CAS No: 152922-72-0
Mol.F.: C8H11NOS
Mol.Wt.: 169.2
Status: Custom Synthesis

Montelukast Impurity 8

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CAT No: VS-M084057
CAS No: 149968-10-5
Mol.F.: C20H16ClNO
Mol.Wt.: 321.8
Status: Custom Synthesis

Montelukast Impurity 9

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CAT No: VS-M084058
CAS No: 181139-72-0
Mol.F.: C28H24ClNO3
Mol.Wt.: 458.01
Status: Custom Synthesis
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