SPL Set ID: 1a3c0ce7-06a1-4e04-9106-14ddb2a866a5
1 drug(s) with this SPL Set ID
Gefitinib is a kinase inhibitor. The chemical name of gefitinib is N-(3ʹ-Chloro-4ʹ-fluorophenyl)-7-methoxy-6-{3-(4- morpholinyl)proproxy}-4-quinazolinamine and the following structural formula: Gefitinib has the molecular formula C 22 H 24 ClFN 4 O 3 , a relative molecular mass of 446.9 daltons and is a White to off-white crystalline powder. Gefitinib is a free base. The molecule has pKa1 is 6.5 & pKa2 is 6.9. Gefitinib can be defined as soluble at pH 1, but insoluble above pH 7, freely soluble in dimethylformamide and acetic acid, slightly soluble in methanol. Gefitinib tablets are available as brown film-coated tablets, containing 250 mg of gefitinib, for oral administration. The inactive ingredients of the tablet core of gefitinib tablets are lactose monohydrate, microcrystalline cellulose, croscarmellose sodium, povidone, and sodium lauryl sulfate and magnesium stearate. Tablet coating contains: polyvinyl alcohol, polyethylene glycol/PEG, talc, titanium dioxide, yellow iron oxide and red iron oxide. structure