Ivermectindrug info

SOOLANTRA (ivermectin) cream, 1% is a white to pale yellow hydrophilic cream intended for topical use. Each gram of SOOLANTRA cream contains 10 mg of ivermectin. Ivermectin is a semi-synthetic derivative isolated from the fermentation of Streptomyces avermitilis that belongs to the avermectin family of macrocyclic lactones. Ivermectin is a mixture containing not less than 95.0% and not more than 102.0% of 5-O-demethyl-22,23-dihydroavermectin A 1a plus 5-O-demethyl-25-de(1-methylpropyl)-25-(1-methylethyl)-22,23-dihydroavermectin A 1a, generally referred to as 22,23-dihydroavermectin B 1a and B 1b or H 2 B 1a and H 2 B 1b, respectively; and the ratio (calculated by area percentage) of component H 2 B 1a /(H 2 B 1a + H 2 B 1b ) is not less than 90.0%. The respective empirical formulas of H 2 B 1a and H 2 B 1b are C 48 H 74 O 14 and C 47 H 72 O 14 with molecular weights of 875.10 and 861.07 respectively.

The structural formulas are: Component H 2 B 1a: R = C 2 H 5, Component H 2 B 1b: R = CH 3. SOOLANTRA cream contains the following inactive ingredients: carbomer copolymer type B, cetyl alcohol, citric acid monohydrate, dimethicone, edetate disodium, glycerin, isopropyl palmitate, methylparaben, oleyl alcohol, phenoxyethanol, polyoxyl 20 cetostearyl ether, propylene glycol, propylparaben, purified water, sodium hydroxide, sorbitan monostearate, and stearyl alcohol. ivermectin-chem-struct