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QM201257
Synonyms: 5-thiaspiro[2.4]heptan-6-one
Molecular Formula
C6H8OS
Molecular Weight
128.19
CAS No.
162515-66-4
QM142001
Montelukast Sodium Impurity A;USP Montelukast Ketone Impurity
Molecular Formula: C29H26ClNO2
Molecular Weight: 455.98
CAS No.: 1258428-71-5
QM201200
Montelukast
Molecular Formula: C35H36ClNO3S
Molecular Weight: 586.18
CAS No.: 158966-92-8;577953-88-9 (dicyclohexylamine salt)
QM201231
Montelukast Dicyclohexylamine
Molecular Formula: C35H36ClNO3S C12H23N
Molecular Weight: 586.18 181.32
CAS No.: 577953-88-9 ;158966-92-8(free base)
QM201232
Montelukast Sodium
Molecular Formula: C35H35ClNNaO3S
Molecular Weight: 608.17
CAS No.: 151767-02-1
QM201233
Montelukast EP Impurity A;ent-Montelukast
Molecular Formula: C35H35ClNNaO3S
Molecular Weight: 608.17
CAS No.: 190078-45-6;220927-27-5(free base)
QM201234
Montelukast EP Impurity B
Molecular Formula: C35H34ClNO2S
Molecular Weight: 568.17
CAS No.: 918972-54-0;1146137-52-1(Na salt)
QM201205
Montelukast EP Impurity C
Molecular Formula: C35H36ClNO4S
Molecular Weight: 602.18
CAS No.: 909849-96-3
QM201206
Montelukast EP Impurity D
Molecular Formula: C41H46ClNO5S2
Molecular Weight: 732.39
CAS No.: 1187586-61-3
QM201207
Montelukast EP Impurity E
Molecular Formula: C41H46ClNO5S2
Molecular Weight: 732.39
CAS No.: 1187586-58-8
QM201208
Montelukast EP Impurity F
Molecular Formula: C34H32ClNO3S
Molecular Weight: 570.14
CAS No.: 937275-23-5
