Monast Description



Hetero Labs


Full Prescribing Info
Each 4 mg chewable Montelukast tablet contains 4.16 mg montelukast sodium, which is equivalent to 4 mg of montelukast.
Each 10 mg film-coated Montelukast tablet contains 10.40 mg montelukast sodium, which is equivalent to 10 mg of montelukast.
Montelukast sodium, the active ingredient in Montelukast, is a selective and orally active leukotriene receptor antagonist that inhibits the cysteinyl leukotriene CysLT1 receptor.
Montelukast sodium is described chemically as [R-(E)]-1-[[[1-[3-[2-(7-chloro-2-quinolinyl)ethenyl] phenyl]-3-[2-(1-hydroxy-1-methylethyl) phenyl] propyl] thio] methyl] cyclopropaneacetic acid, monosodium salt.
The empirical formula is C35H35CINNaO3S.
Montelukast sodium is a hygroscopic, optically active, white to off-white powder. Montelukast sodium is freely soluble in ethanol, methanol, and water and practically insoluble in acetonitrile.
Excipients/Inactive Ingredients: Chewable tab 4 mg: Mannitol, Croscarmellose sodium, Hydroxy propyl cellulose, Ferric oxide, cellulose microcrystalline, Aspartame, ART cherry flavor, Magnesium stearate and purified water. Tab 10 mg: microcrystalline cellulose, croscarmellose sodium, Mannitol, hydroxypropyl cellulose, magnesium stearate, lactose monohydrate and purified water. Opadry yellow 20A520007 (Hypromellose 6, Hydroxypropyl cellulose, Titanium dioxide, Carnauba wax, Iron oxide yellow & Iron oxide red).
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