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Active Pharmaceutical Ingredients
Erlotinib hydrochloride (CAS 183319-69-9) is a small-molecule tyrosine kinase inhibitor. It features the molecular formula C22H23ClN4O2·HCl and is synthesized via condensation reactions involving quinazoline derivatives.
Strictly contraindicated in patients with severe hepatic impairment. Store under inert atmosphere at 2-8°C to prevent degradation. Handle with appropriate PPE due to potential cytotoxicity.