TLC Pharmaceutical Standards

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MONTELUKAST

M-306

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Catalogue Number:	M-306
Compound Name:	rac-Montelukast EP Impurity F (rac-Montelukast Methyl Ketone)
Synonyms:	(E)-2-(1-(((3-(2-acetylphenyl)-1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)propyl)thio)methyl)cyclopropyl)acetic acid
CAS#:
Alternate CAS#:	937275-23-5 (R-isomer)
Molecular Formula:	C₃₄H₃₂ClNO₃S
Molecular Weight:	570.14

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Montelukast Keto Carbinol Impurity

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M.W. 586.14

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Montelukast EP Impurity A Sodium Salt

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C₃₅H₃₅ClNO₃S. Na

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Montelukast EP Impurity H

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C₃₄H₃₂ClNO₄S

M.W. 586.14

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Montelukast Dihydro Impurity

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M.W. 588.20

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Montelukast Cyclopropacetaneamide Impurity

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Montelukast Sulfone N-Oxide

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M.W. 633.19

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Montelukast Impurity 2

CAS No. 149968-11-6

C₂₈H₂₂ClNO₃

M.W. 455.94

M-3027

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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

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M.W. 457.95

M-3029

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Montelukast Chloro Alcohol Impurity

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Montelukast Methyl Ester

CAS No. 855473-51-7

C36H38ClNO3S

M.W. 600.23

M-3037

Montelukast Sodium Salt

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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

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M.W. 602.19

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Montelukast Sodium Salt

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M-3057

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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

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Montelukast Impurity 35

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M-3063

Montelukast Sodium Salt

Montelukast Impurity 36

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M-3064

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Montelukast Impurity 37

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M.W. 789.51 22.99

M-3065

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M-3070

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Montelukast Impurity 42

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M-3071

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Montelukast Impurity 43

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M-3072

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Montelukast Impurity 44

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C₂₉H₂₈ClNO_2/

M.W. 458.00

M-3073

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Montelukast Impurity 45

C₂₉H₂₆ClNO

M.W. 439.98

M-3074

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

CAS No. 1242260-05-4

C₄₁H₄₆ClNO₅S₂

M.W. 732.39

M-3075

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Montelukast Impurity 46

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C₃₄H₃₆ClNOS

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M-3076

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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

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

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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

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

C₃₄¹³CH₃₃D₃ClNO₄S

M.W. 606.20