SPL Set ID: 293a9857-d138-4583-abc9-35b75660e324

Quetiapine fumarate USP 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 tablets USP are supplied for oral administration as 25 mg (round, peach, one side debossed with “F71”), 50 mg (round, white, one side debossed with “F72”), 100 mg (round, yellow one side debossed with “F73”), 200 mg (round, white, one side debossed with "F75”), 300 mg (capsule-shaped, white, one side debossed with "F76”), and 400 mg (capsule-shaped, yellow, one side debossed with “F77”) tablets. Inactive ingredients are povidone, dibasic calcium phosphate dihydrate, microcrystalline cellulose, sodium starch glycolate, lactose monohydrate, magnesium stearate, colloidal silicon di-oxide, hypromellose, polyethylene glycol, and titanium dioxide. The 25 mg tablets contain red ferric oxide and yellow ferric oxide and the 100 mg and 400 mg tablets contain only yellow ferric oxide. Each 25 mg tablet contains 28.78 mg of quetiapine fumarate equivalent to 25 mg quetiapine. Each 50 mg tablet contains 57.56 mg of quetiapine fumarate equivalent to 50 mg quetiapine. Each 100 mg tablet contains 115.13 mg of quetiapine fumarate equivalent to 100 mg quetiapine. Each 200 mg tablet contains 230.26 mg of quetiapine fumarate equivalent to 200 mg quetiapine. Each 300 mg tablet contains 345.39 mg of quetiapine fumarate equivalent to 300 mg quetiapine. Each 400 mg tablet contains 460.51 mg of quetiapine fumarate equivalent to 400 mg quetiapine.