Each film-coated tablet contains: Erlotinib Hydrochloride eq. to Erlotinib 150 mg, Excipients q.s.
Erlotinib Hydrochloride is white to off-white crystal powder and sparingly soluble in methanol, ethanol and water, insoluble in ethyl acetate, acetone and Acetonitrile. Chemically it is N-(3-ethynylphenyl)-6,7-bis (2 methoxyethoxy)-4-quinazolinamine. Its molecular formula is C22H23N3O4·HCl and molecular weight is 429.90.