Montelukast Sodium By Vesta Pharmachem (P) Ltd

Montelukast is used for a number of conditions including asthma, exercise induced bronchospasm, allergic rhinitis, and urticaria.[4] It is mainly used as a complementary therapy in adults in addition to inhaled corticosteroids, if they alone do not bring the desired effect.
Montelukast Sodium
Product Name - Montelukast Sodium
Grade - Montelukast Sodium
Dosage Form - Powder
CAS No - 158966-92-8
Systematic (IUPAC) Name - (R,E)-2-(1-((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl)propylthio)methyl)cyclopropyl)acetic acid
Molecular Weight - 586.184 Gm./Mol.
Molecular Formula - C35H36ClNO3S
Products Specification: -
Appearance - White to pale yellow Powder
SOLUBILITIES - Freely soluble in methanol.ethanol, water, insoluble in acetonitrile
Identification by IR - Infra red spectrum is concordant with that of working standerd of montelukast sodium
Loss of Drying - Below 1.0%.
Impurities (Dihydro Impurities) - NMT: 1.0%.
Impurities (Sulphoxide) - NMT:0.15%.
Impurities (Styrene) - NMT:0.15%.
Impurities (Methyl ketone hydroxyl compound) - NMT:0.15%.
Impurities (Cis isomer) (Other isomer) - NMT:0.15%.
Impurities (Cis isomer) (Totol Impurities) - NMT:1.0%.
Impurities (Cis isomer) (Major Unknown Impurities) - NMT:0.1%.
Assay on Anhydrous Basis - 99.0 To 101.0%.
Opinion - The sample product complies with INHOUSE specification
Storage -- Preserve in tight, Store in well-closed, light resistant Containers.
Uses - Montelukast is used for a number of conditions