SPL Set ID: 90e65b83-32d6-40bc-be5d-19fbec051bdf
1 drug(s) with this SPL Set ID
Azithromycin tablets, USP contains the active ingredient azithromycin, USP 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. Azithromycin has the following structural formula: Azithromycin, as the dihydrate, is a white or almost white powder with a molecular formula of C 38 H 72 N 2 O 12 •2H 2 O and a molecular weight of 785.02. Azithromycin tablets, USP contain azithromycin dihydrate equivalent to 600 mg azithromycin, USP. They also contain the following inactive ingredients: anhydrous dibasic calcium phosphate, croscarmellose sodium, hydroxypropyl cellulose, magnesium stearate, sodium lauryl sulfate, and an aqueous film coat consisting of lactose, hypromellose, titanium dioxide, and triacetin. FDA approved dissolution specification differs from the USP dissolution specification. azithromycin-str-600.jpg