CAS 1258428-71-5

Montelukast Ketone (1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]-1-propanone;(E)-1-{3-[2-(7-Chloroquinolin-2-yl)vinyl]phenyl}-3-[2-(2-hydroxypropan-2-yl)phenyl]propan-1-one)

CAS: 1258428-71-5

Compounds containing a quinoline or isoquinoline ring-system, whether or not hydrogenated, not further fused, excluding drugs and pesticides

Formula: C₂₉H₂₆ClNO₂

Color and Shape: White Off-White Solid

Molecular weight: 455.16521

Ref: 45-1A07100

1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]-1-propanone

CAS: 1258428-71-5

Formula: C₂₉H₂₆ClNO₂

Purity: 98%

Color and Shape: Solid

Molecular weight: 455.9752

Ref: IN-DA009FEO

Montelukast Impurity 1

CAS: 1258428-71-5

Formula: C₂₉H₂₆ClNO₂

Color and Shape: Off-White Solid

Molecular weight: 455.98

Ref: 4Z-M-3025

Montelukast Ketone impurity

CAS: 1258428-71-5

Formula: C₂₉H₂₆ClNO₂

Molecular weight: 455.98

Ref: ST-EA-CP-M25040

1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]-1-propanone

CAS: 1258428-71-5

Applications 1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]-1-propanone is an impurity of Montelukast (M568000), a selective leukotriene D4-receptor antagonist that is used as an antiasthmatic.

Formula: C₂₉H₂₆ClNO₂

Color and Shape: Neat

Molecular weight: 455.98

Ref: TR-C380065

Montelukast ketone impurity

CAS: 1258428-71-5

The impurity (2,6-dichlorobenzaldehyde) is a metabolite of montelukast. It is an analytical impurity that has been quantified in the drug product and has also been found to be present in the synthetic process. The impurity standard was developed using HPLC. It can be used as a high purity reference material for pharmacopoeia and custom synthesis.

Formula: C₂₉H₂₆ClNO₂

Purity: Min. 95%

Color and Shape: Powder

Molecular weight: 455.97 g/mol

Ref: 3D-IM111859