TLC Pharmaceutical Standards

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MONTELUKAST

M-3052

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Catalogue Number:	M-3052
Compound Name:	Montelukast Impurity 25
Synonyms:
CAS#:	162515-69-7
Alternate CAS#:
Molecular Formula:	C6H11NOS
Molecular Weight:	145.22

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Montelukast Sodium Salt

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C₃₅H₃₅ClNO₃S. Na

M.W. 585.18 22.99

M-302

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Montelukast-d6 Sodium Salt

CAS No. 2673270-26-1

C₃₅H₂₉D₆ClNO₃S. Na

M.W. 591.22 22.99

M-303

Montelukast Sodium Salt

Montelukast Sulfoxide Sodium

C₃₅H₃₅ClNO₄S. Na

M.W. 601.19 22.99

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CAS No. 188717-17-1

C₄₁H₄₄ClNO₉S

M.W. 762.33

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Montelukast Sodium Salt

Montelukast-d6

CAS No. 1093746-29-2

C₃₅H₃₀D₆ClNO₃S

M.W. 592.24

M-306

Montelukast Sodium Salt

rac-Montelukast EP Impurity F (rac-Montelukast Methyl Ketone)

C₃₄H₃₂ClNO₃S

M.W. 570.14

M-307

Montelukast Sodium Salt

Montelukast Sulfoxide (Mixture of Diastereomers)

CAS No. 1152185-58-4

C₃₅H₃₆ClNO₄S

M.W. 602.20

M-308

Montelukast Sodium Salt

Montelukast EP Impurity B

CAS No. 918972-54-0

C₃₅H₃₄ClNO₂S

M.W. 568.17

M-309

Montelukast Sodium Salt

Montelukast EP Impurity D

CAS No. 1187586-61-3

C₄₁H₄₆ClNO₅S₂

M.W. 732.41

M-3010

Montelukast Sodium Salt

Montelukast EP Impurity E

CAS No. 1187586-58-8

C₄₁H₄₆ClNO₅S₂

M.W. 732.39

M-3011

Montelukast Sodium Salt

Montelukast EP Impurity G (cis-Montelukast)

CAS No. 774538-96-4

C₃₅H₃₆ClNO₃S

M.W. 586.19

M-3012

Montelukast Sodium Salt

Montelukast EP Impurity I Sodium Salt (Mixture of Diastereomers)

C₃₅H₃₆ClNO₄S. Na

M.W. 601.18 22.99

M-3014

Montelukast Sodium Salt

Montelukast Keto Carbinol Impurity

C₃₄H₃₂ClNO₄S

M.W. 586.14

M-3015

Montelukast Sodium Salt

Montelukast EP Impurity A Sodium Salt

CAS No. 190078-45-6

C₃₅H₃₅ClNO₃S. Na

M.W. 585.18 22.99

M-3016

Montelukast Sodium Salt

Montelukast Methyl Ether

C36H38ClNO3S

M.W. 600.23

M-3017

Montelukast Sodium Salt

Montelukast Sulfone

CAS No. 1266620-74-9

C₃₅H₃₆ClNO₅S

M.W. 618.19

M-3013

Montelukast Sodium Salt

Montelukast EP Impurity H

CAS No. 851755-56-1

C₃₄H₃₂ClNO₄S

M.W. 586.14

M-3018

Montelukast Sodium Salt

Montelukast Dihydro Impurity

CAS No. 142147-67-9

C₃₅H₃₈ClNO₃S

M.W. 588.20

M-3019

Montelukast Sodium Salt

Montelukast Cyclopropacetaneamide Impurity

CAS No. 866923-63-9

C35H37ClN2O2S

M.W. 585.21

M-3020

Montelukast Sodium Salt

Montelukast 1,2-Diol (Mixture of Diastereomers)

CAS No. 186352-97-6

C₃₅H₃₆ClNO₄S

M.W. 602.19

M-3021

Montelukast Sodium Salt

Montelukast CN Impurity

CAS No. 866923-62-8

C₃₅H₃₅ClN₂OS

M.W. 567.19

M-3022

Montelukast Sodium Salt

Montelukast Keto Impurity

CAS No. 184764-13-4

C₂₈H₂₄ClNO₂

M.W. 441.96

M-3024

Montelukast Sodium Salt

Montelukast Sulfone N-Oxide

CAS No. N/A

C₃₅H₃₅ClNO₆S

M.W. 633.19

M-3025

Montelukast Sodium Salt

Montelukast Impurity 1

CAS No. 1258428-71-5

C₂₉H₂₆ClNO₂

M.W. 455.98

M-3026

Montelukast Sodium Salt

Montelukast Impurity 2

CAS No. 149968-11-6

C₂₈H₂₂ClNO₃

M.W. 455.94

M-3027

Montelukast Sodium Salt

Montelukast Impurity 3

CAS No. 150026-72-5

C₂₈H₂₄ClNO₃

M.W. 457.95

M-3028

Montelukast Sodium Salt

Montelukast Impurity 4

CAS No. 142569-69-5

C₂₈H₂₄ClNO₃

M.W. 457.95

M-3029

Montelukast Sodium Salt

Montelukast Impurity 5

CAS No. 1429878-86-3

C₂₈H₂₄ClNO₃

M.W. 457.95

M-3030

Montelukast Sodium Salt

Montelukast Impurity 6

CAS No. 1187586-63-5

C₂₉H₂₆ClNO

M.W. 439.99

M-3031

Montelukast Sodium Salt

Montelukast Impurity 48

C35H34ClNO3S

M.W. 584.18

M-3032

Montelukast Sodium Salt

Montelukast Impurity 7

C₃₃H₃₀ClNO₄S

M.W. 572.12

M-3033

Montelukast Sodium Salt

Montelukast Chloro Alcohol Impurity

CAS No. 880769-28-8

C₂₉H₂₇Cl₂NO

M.W. 476.45

M-3034

Montelukast Sodium Salt

Montelukast Impurity 8

CAS No. 30220-25-8

C8H7Cl3

M.W. 209.49

M-3035

Montelukast Sodium Salt

Montelukast Impurity 9

CAS No. 30430-40-1

C8H6Cl4

M.W. 243.95

M-3036

Montelukast Sodium Salt

Montelukast Methyl Ester

CAS No. 855473-51-7

C36H38ClNO3S

M.W. 600.23

M-3037

Montelukast Sodium Salt

Montelukast Impurity 10

C29H28ClNO2

M.W. 458.01

M-3038

Montelukast Sodium Salt

Montelukast Impurity 11

C20H16ClNO

M.W. 321.80

M-3039

Montelukast Sodium Salt

Montelukast Impurity 12

C35H32ClNO5S. 2 Na

M.W. 614.15 2 22.99

M-3040

Montelukast Sodium Salt

Montelukast Impurity 13

C35H36ClNO5S

M.W. 618.19

M-3041

Montelukast Sodium Salt

Montelukast Impurity 14

C35H36ClNO4S

M.W. 602.19

M-3042

Montelukast Sodium Salt

Montelukast Impurity 15

C35H37NO3S

M.W. 551.75

M-3043

Montelukast Sodium Salt

Montelukast Impurity 16

C₃₄H₃₆ClNO_S

M.W. 542.18

M-3044

Montelukast Sodium Salt

Montelukast Impurity 17

CAS No. 1100617-38-6

C27H20ClNO2

M.W. 425.91

M-3045

Montelukast Sodium Salt

Montelukast Impurity 18

CAS No. 120578-04-3

C₂₈H₁₈Cl₂N₂

M.W. 453.37

M-3046

Montelukast Sodium Salt

Montelukast Impurity 19

CAS No. 89729-09-9

C₅H₈O₃S

M.W. 148.18

M-3047

Montelukast Sodium Salt

Montelukast Impurity 20

CAS No. 152922-71-9

C6H9NO

M.W. 111.14

M-3048

Montelukast Sodium Salt

Montelukast Impurity 21

CAS No. 152922-72-0

C8H11NOS

M.W. 169.24

M-3049

Montelukast Sodium Salt

Montelukast Impurity 22

C8H13NO2S

M.W. 187.26

M-3050

Montelukast Sodium Salt

Montelukast Impurity 23

CAS No. 866923-64-0

C6H9NS

M.W. 127.21

M-3051

Montelukast Sodium Salt

Montelukast Impurity 24

C8H12O3S

M.W. 188.24

M-3053

Montelukast Sodium Salt

Montelukast Impurity 26

C28H23NO3

M.W. 421.50

M-3054

Montelukast Sodium Salt

Montelukast Impurity 27

C28H24ClNO2

M.W. 441.96

M-3055

Montelukast Sodium Salt

Montelukast Impurity 28

C30H30ClNO2

M.W. 472.03

M-3056

Montelukast Sodium Salt

Montelukast Impurity 29

C33H36ClNO2

M.W. 514.11

M-3057

Montelukast Sodium Salt

Montelukast Impurity 30

C29H26ClNO

M.W. 439.98

M-3058

Montelukast Sodium Salt

Montelukast Impurity 31

C29H26ClNO

M.W. 439.98

M-3059

Montelukast Sodium Salt

Montelukast Impurity 32

C29H26ClNO

M.W. 439.98

M-3060

Montelukast Sodium Salt

Montelukast Impurity 33

C29H26ClNO

M.W. 439.98

M-3061

Montelukast Sodium Salt

Montelukast Impurity 34

C29H26ClNO

M.W. 439.98

M-3068

Montelukast Sodium Salt

Montelukast Impurity 40

CAS No. 150026-73-6

C₂₈H₂₄ClNO₂

M.W. 441.96

M-3062

Montelukast Sodium Salt

Montelukast Impurity 35

CAS No. 807638-71-7

C30H30ClNO4S

M.W. 536.08

M-3063

Montelukast Sodium Salt

Montelukast Impurity 36

C₄₅H₅₅ClNO₅S₂. Na

M.W. 789.51 22.99

M-3064

Montelukast Sodium Salt

Montelukast Impurity 37

C₄₅H₅₅ClNO₅S₂. Na

M.W. 789.51 22.99

M-3065

Montelukast Sodium Salt

Montelukast Impurity 38

CAS No. 1079753-36-8

C₂₉H₂₈ClNO₂

M.W. 458.00

M-3066

Montelukast Sodium Salt

Montelukast Impurity 39

CAS No. 1040351-42-5, 168214-67-3

C₂₉H₂₆ClNO

M.W. 439.98

M-3067

Montelukast Sodium Salt

cis-Montelukast Sulfoxide

CAS No. 1428511-42-5

C₃₅H₃₆ClNO₄S

M.W. 602.19

M-3069

Montelukast Sodium Salt

Montelukast Impurity 41

CAS No. 120578-03-2

C₁₈H₁₂ClNO

M.W. 293.75

M-3070

Montelukast Sodium Salt

Montelukast Impurity 42

C₂₂H₁₈ClNO

M.W. 347.84

M-3071

Montelukast Sodium Salt

Montelukast Impurity 43

CAS No. 287930-77-2

C₂₉H₂₈ClNO₂

M.W. 458.00

M-3072

Montelukast Sodium Salt

Montelukast Impurity 44

CAS No. 150026-75-8

C₂₉H₂₈ClNO_2/

M.W. 458.00

M-3073

Montelukast Sodium Salt

Montelukast Impurity 45

C₂₉H₂₆ClNO

M.W. 439.98

M-3074

Montelukast Sodium Salt

Montelukast EP Impurity D and Montelukast EP Impurity E (Mixture of Diastereomers)

CAS No. 1242260-05-4

C₄₁H₄₆ClNO₅S₂

M.W. 732.39

M-3075

Montelukast Sodium Salt

Montelukast Impurity 46

CAS No. 2365398-67-8

C₃₄H₃₆ClNOS

M.W. 542.18

M-3076

Montelukast Sodium Salt

Montelukast Impurity 47

CAS No. 2365398-66-7

C₃₄H₃₆ClNOS

M.W. 542.18

M-3077

Montelukast Sodium Salt

Montelukast Impurity 36 and Montelukast Impurity 37 (Mixture of Diastereomers)

C₄₅H₅₆ClNO₅S₂

M.W. 790.52

M-3078

Montelukast Sodium Salt

rac-Montelukast Sodium

C₃₅H₃₅ClNO₃S. Na

M.W. 585.18 22.99

M-3079

Montelukast Sodium Salt

Montelukast Impurity 49

C₂₇H₂₂ClNO₃

M.W. 443.93

M-3080

Montelukast Sodium Salt

Montelukast Impurity 50

CAS No. 152922-86-6

C₇H₁₁NO₃S

M.W. 189.23

M-3081

Montelukast Sodium Salt

Montelukast Impurity 51

CAS No. 162515-68-6

C₆H₁₀O₂S

M.W. 146.20

M-3082

Montelukast Sodium Salt

Montelukast Impurity 52

CAS No. 162515-67-5

C₁₂H₁₈O₄S₂

M.W. 290.39

M-3083

Montelukast Sodium Salt

Montelukast EP Impurity F (Montelukast Methyl Ketone)

CAS No. 937275-23-5

C₃₄H₃₂ClNO₃S

M.W. 570.14

M-3084

Montelukast Sodium Salt

rac-Montelukast Impurity 16

CAS No. 2170561-71-2

C₃₄H₃₆ClNOS

M.W. 542.18

M-3085

Montelukast Sodium Salt

Montelukast 1,2-Diol-13C-d3 (Mixture of Diastereomers)

C₃₄¹³CH₃₃D₃ClNO₄S

M.W. 606.20

M-3086

Montelukast Sodium Salt

(Z)-Montelukast EP Impurity I Sodium Salt (Mixture of Diastereomers)

C₃₅H₃₅ClNO₄S. Na

M.W. 601.18 22.99