SPL Set ID: c6e25a58-96b4-47b7-a5f3-33e5ffce1d1e

Quetiapine is an atypical antipsychotic belonging to a chemical class, the dibenzothiazepine derivatives. The chemical designation is 2-[2-(4-dibenzo [ b,f ] [1,4] thiazepin-11-yl-1-piperazinyl)ethoxy]-ethanol fumarate (2:1) (salt). It is present in tablets as the fumarate salt. All doses and tablet strengths are expressed as milligrams of base, not as fumarate salt. Its molecular formula is C 42 H 50 N 6 O 4 S 2 •C 4 H 4 O 4 and it has a molecular weight of 883.11 (fumarate salt). The structural formula is: Quetiapine fumarate USP is a white to off-white crystalline powder which is moderately soluble in water. Quetiapine extended-release tablets USP are supplied for oral administration as 50 mg (peach), 150 mg (white), 200 mg (yellow), 300 mg (pale yellow), and 400 mg (white). All tablets are capsule shaped and film coated. Inactive ingredients for quetiapine extended-release tablets USP are lactose monohydrate, microcrystalline cellulose, sodium citrate, hypromellose and magnesium stearate. The film coating for all quetiapine extended-release tablets USP contains hypromellose, polyethylene glycol and titanium dioxide. In addition, yellow iron oxide (50 mg, 200 mg and 300 mg tablets) and red iron oxide (50 mg tablets) are included in the film coating of specific strengths. Each 50 mg tablet contains 57.57 mg of quetiapine fumarate USP equivalent to 50 mg quetiapine. Each 150 mg tablet contains 172.70 mg of quetiapine fumarate USP equivalent to 150 mg quetiapine. Each 200 mg tablet contains 230.26 mg of quetiapine fumarate USP equivalent to 200 mg quetiapine. Each 300 mg tablet contains 345.39 mg of quetiapine fumarate USP equivalent to 300 mg quetiapine. Each 400 mg tablet contains 460.52 mg of quetiapine fumarate USP equivalent to 400 mg quetiapine. Meets USP Dissolution Test 12. Image