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Montelukast EP Impurity H；USP Montelukast Methoxycarbonyl Analog

QCC Cat No.:

QM201210

CAS No.:

851755-56-1

Mol Formula:

C34H32ClNO4S

Mol. Weight:

586.14

Montelukast EP Impurity I ;USP Montelukast alpha-Hydroxy Analog

QCC Cat No.:

QM201211

CAS No.:

2045402-27-3

Mol Formula:

C35H36ClNO4S

Mol. Weight:

602.18

Montelukast Acid Racemate

QCC Cat No.:

QM201212

CAS No.:

NA

Mol Formula:

C35H36ClNO3S

Mol. Weight:

586.18

Montelukast (3S)-Hydroxy Methylketone

QCC Cat No.:

QM201213

CAS No.:

184764-13-4

Mol Formula:

C28H24ClNO2

Mol. Weight:

441.95

Montelukast (3R)-Hydroxy Propanol

QCC Cat No.:

QM201214

CAS No.:

150026-75-8

Mol Formula:

C29H28ClNO2

Mol. Weight:

457.99

Montelukast (3S)-Hydroxy Propanol

QCC Cat No.:

QM201215

CAS No.:

287930-77-2

Mol Formula:

C29H28ClNO2

Mol. Weight:

457.99

Montelukast (3R)-Hydroxy Benzoate

QCC Cat No.:

QM201216

CAS No.:

150026-72-5

Mol Formula:

C28H24ClNO3

Mol. Weight:

457.95

Montelukast (3S)-Hydroxy Benzoate

QCC Cat No.:

QM201217

CAS No.:

142569-69-5

Mol Formula:

C28H24ClNO3

Mol. Weight:

457.95

Montelukast 3-Oxo Benzoate

QCC Cat No.:

QM201218

CAS No.:

149968-11-6

Mol Formula:

C28H22ClNO3

Mol. Weight:

455.93

Montelukast Sulfone

QCC Cat No.:

QM201219

CAS No.:

1266620-74-9

Mol Formula:

C35H36ClNO5S

Mol. Weight:

618.18

Montelukast Ether Impurity

QCC Cat No.:

QM201220

CAS No.:

168214-67-3

Mol Formula:

C29H26ClNO

Mol. Weight:

439.98

Montelukast Lactone

QCC Cat No.:

QM201221

CAS No.:

1100617-38-6

Mol Formula:

C27H20ClNO2

Mol. Weight:

425.91

Montelukast Dihydro Impurity

QCC Cat No.:

QM201222

CAS No.:

142147-67-9；142147-98-6 (sodium salt)

Mol Formula:

C35H38ClNO3S

Mol. Weight:

588.2

Montelukast 1,2-Diol

QCC Cat No.:

QM201223

CAS No.:

186352-97-6

Mol Formula:

C35H36ClNO4S

Mol. Weight:

602.18

Montelukast Disulfide Impurity

QCC Cat No.:

QM201224

CAS No.:

NA

Mol Formula:

C12H18O4S2

Mol. Weight:

290.4

Montelukast Mercapto Impurity

QCC Cat No.:

QM201225

CAS No.:

162515-68-6

Mol Formula:

C6H10O2S

Mol. Weight:

146.21

Montelukast (3RS)-Hydroxy Propanol

QCC Cat No.:

QM201226

CAS No.:

NA

Mol Formula:

C29H28ClNO2

Mol. Weight:

457.99

Montelukast Acid Methyl Ester Racemate

QCC Cat No.:

QM201227

CAS No.:

855473-51-7

Mol Formula:

C36H38ClNO3S

Mol. Weight:

600.21

Montelukast 3-Oxo Propanol

QCC Cat No.:

QM201228

CAS No.:

NA

Mol Formula:

C29H26ClNO2

Mol. Weight:

455.98

Montelukast Amide

QCC Cat No.:

QM201229

CAS No.:

866923-63-9

Mol Formula:

C35H37ClN2O2S

Mol. Weight:

585.2

Montelukast Ketocarbinol Impurity

QCC Cat No.:

QM201230

CAS No.:

NA

Mol Formula:

C34H32ClNO4S

Mol. Weight:

586.14

Montelukast Dicyclohexylamine

QCC Cat No.:

QM201231

CAS No.:

577953-88-9 ;158966-92-8(free base)

Mol Formula:

C35H36ClNO3S C12H23N

Mol. Weight:

586.18 181.32

Montelukast Sodium

QCC Cat No.:

QM201232

CAS No.:

151767-02-1

Mol Formula:

C35H35ClNNaO3S

Mol. Weight:

608.17

Montelukast EP Impurity A;ent-Montelukast

QCC Cat No.:

QM201233

CAS No.:

220927-27-5

Mol Formula:

C35H36ClNO3S

Mol. Weight:

586.19

Montelukast EP Impurity B；USP Montelukast Related Compound F

QCC Cat No.:

QM201234

CAS No.:

918972-54-0

Mol Formula:

C35H34ClNO2S

Mol. Weight:

568.17

Montelukast Impurity 9

QCC Cat No.:

QM201235

CAS No.:

866923-62-8

Mol Formula:

C35H35ClN2OS

Mol. Weight:

567.18

Montelukast Impurity 10

QCC Cat No.:

QM201236

CAS No.:

855473-51-7

Mol Formula:

C36H38ClNO3S

Mol. Weight:

600.21

Montelukast Impurity 11

QCC Cat No.:

QM201237

CAS No.:

855473-50-6

Mol Formula:

C7H11BrO2

Mol. Weight:

207.07

Montelukast Impurity 12

QCC Cat No.:

QM201238

CAS No.:

74-88-4

Mol Formula:

CH3I

Mol. Weight:

141.94

Montelukast Impurity 13

QCC Cat No.:

QM201239

CAS No.:

NA

Mol Formula:

C30H26ClNO3S

Mol. Weight:

516.05