TLC Pharmaceutical Standards

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MONTELUKAST

M-3074

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Catalogue Number:	M-3074
Compound Name:	Montelukast EP Impurity D and Montelukast EP Impurity E (Mixture of Diastereomers)
Synonyms:	2-(1-((((1R)-1-(3-(1-(((1-(carboxymethyl)cyclopropyl)methyl)thio)-2-(7-chloroquinolin-2-yl)ethyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propyl)thio)methyl)cyclopropyl)acetic acid
CAS#:	1242260-05-4
Alternate CAS#:
Molecular Formula:	C₄₁H₄₆ClNO₅S₂
Molecular Weight:	732.39

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Montelukast EP Impurity I Sodium Salt (Mixture of Diastereomers)

C₃₅H₃₆ClNO₄S. Na

M.W. 601.18 22.99

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Montelukast Keto Carbinol Impurity

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Montelukast EP Impurity A Sodium Salt

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Montelukast Sulfone

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M.W. 618.19

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Montelukast EP Impurity H

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M.W. 586.14

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Montelukast Dihydro Impurity

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CAS No. 186352-97-6

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Montelukast CN Impurity

CAS No. 866923-62-8

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M.W. 567.19

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Montelukast Keto Impurity

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M.W. 441.96

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Montelukast Sulfone N-Oxide

CAS No. N/A

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M.W. 633.19

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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

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Montelukast Impurity 4

CAS No. 142569-69-5

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M-3029

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Montelukast Impurity 5

CAS No. 1429878-86-3

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C35H34ClNO3S

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M-3032

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Montelukast Impurity 7

C₃₃H₃₀ClNO₄S

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Montelukast Chloro Alcohol Impurity

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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

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Montelukast Impurity 11

C20H16ClNO

M.W. 321.80

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Montelukast Impurity 12

C35H32ClNO5S. 2 Na

M.W. 614.15 2 22.99

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Montelukast Sodium Salt

Montelukast Impurity 13

C35H36ClNO5S

M.W. 618.19

M-3041

Montelukast Sodium Salt

Montelukast Impurity 14

C35H36ClNO4S

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M-3042

Montelukast Sodium Salt

Montelukast Impurity 15

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Montelukast Impurity 20

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Montelukast Impurity 21

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Montelukast Impurity 22

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Montelukast Impurity 24

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Montelukast Impurity 25

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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

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Montelukast Sodium Salt

Montelukast Impurity 29

C33H36ClNO2

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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

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C₂₈H₂₄ClNO₂

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M-3062

Montelukast Sodium Salt

Montelukast Impurity 35

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C30H30ClNO4S

M.W. 536.08

M-3063

Montelukast Sodium Salt

Montelukast Impurity 36

C₄₅H₅₅ClNO₅S₂. Na

M.W. 789.51 22.99

M-3064

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C₂₉H₂₆ClNO

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C₃₅H₃₆ClNO₄S

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M-3069

Montelukast Sodium Salt

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M.W. 293.75

M-3070

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Montelukast Impurity 42

C₂₂H₁₈ClNO

M.W. 347.84

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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-3075

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Montelukast Impurity 46

CAS No. 2365398-67-8

C₃₄H₃₆ClNOS

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Montelukast Impurity 47

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C₃₄H₃₆ClNOS

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M-3077

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

C₄₅H₅₆ClNO₅S₂

M.W. 790.52

M-3078

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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