SPL Set ID: fb2f83a2-507b-4cf3-81ea-d10c46c0f8ea
1 drug(s) with this SPL Set ID
Azithromycin Tablets, USP contain the active ingredient azithromycin, a macrolide antibacterial drug, for oral administration. Azithromycin has the chemical name (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-13-[(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)oxy]-2-ethyl-3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-11-[[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-hexopyranosyl]oxy]-1-oxa-6-azacyclopentadecan-15-one. Azithromycin is derived from erythromycin; however, it differs chemically from erythromycin in that a methyl-substituted nitrogen atom is incorporated into the lactone ring. Its molecular formula is C 38 H 72 N 2 O 12 , and its molecular weight is 749.00. Azithromycin has the following structural formula: Azithromycin, as the dihydrate, is a white crystalline powder with a molecular formula of C 38 H 72 N 2 O 12 ∙2H 2 O and a molecular weight of 785.0. Azithromycin Tablets USP are supplied as tablets containing azithromycin dihydrate USP equivalent to 500 mg azithromycin and the following inactive ingredients: colloidal silicon dioxide, croscarmellose sodium, dibasic calcium phosphate, hypromellose 2910, magnesium stearate, opadry II (85F18422) White, partially pregelatinized maize starch and sodium lauryl sulfate. Opadry II (85F18422) White contains polyvinyl alcohol, polyethylene glycol, titanium dioxide and talc. Chemical Structure