SPL Set ID: 409dddb0-be3a-4ae3-ab39-88a6cd50a219

Minocycline hydrochloride, a semi synthetic derivative of tetracycline, is [4 S -(4α,4aα,5aα, 12aα)] - 4,7 – Bis (dimethylamino) -1,4,4a,5,5a,6,11,12a - octahydro-3,10,12,12a -tetrahydroxy-1,11-dioxo-2-naphthacenecarboxamide mono hydrochloride. The structural formula is represented below: C23H27N3O7•HCl M. W. 493.95 Minocycline hydrochloride extended-release tablets, USP for oral administration contain minocycline hydrochloride USP equivalent to 45 mg, 55 mg, 65 mg, 80 mg, 90 mg, 105 mg, 115 mg, and 135 mg of minocycline. In addition, 45 mg, 55 mg, 65 mg, 80 mg, 90 mg, 105 mg, 115 mg, and 135 mg tablets contain the following inactive ingredients: lactose monohydrate, hypromellose type 2910, hypromellose type 2208, colloidal silicon dioxide, magnesium stearate, titanium dioxide and triacetin. The 45 mg tablets also contain iron oxide black. The 65 mg tablets also contain FD&C blue #1/brilliant blue FCF aluminium lake, polyethylene glycol 3350, FD&C blue #2/indigo carmine aluminum lake and D&C yellow #10 aluminum lake. The 55 mg tablets also contain macrogol, FD&C RED #40. The 80 mg tablets also contain macrogol, FD&C blue #2, FD&C red #40, FD&C yellow #6. The 90 mg tablets also contain iron oxide yellow and polyethylene glycol 3350. The 105 mg tablets also D&C red #27, macrogol, FD&C blue #1. The 115 mg tablets also contain D&C yellow #10 aluminum lake, FD&C blue #1/brilliant blue FCF aluminium lake and FD&C blue #2/indigo carmine aluminum lake. The 135 mg tablets also contain polyethylene glycol 3350 and iron oxide red. The USP Dissolution Test is pending.