Purity (HPLC)：≥99.0% Moisture (KF)：≤0.5% Residue on Ignition：≤0.1% Heavy Metals (Pb)：≤10 ppm Single Impurity：≤0.5% Total Impurities：≤1.0% Packing：1kg/5kg aluminum foil bag; 25kg fiber drum Storage：-20 °C, frozen, sealed & protected from light 
Antineoplastic Drug (Primary)
- Target：Highly selective EGFR (HER1/ErbB-1) tyrosine kinase inhibitor
- Mechanism：Blocks ATP binding, inhibits autophosphorylation, arrests proliferation signaling
- Indications：
- Advanced/metastatic non-small cell lung cancer (NSCLC) (1st-line for EGFR-mutant)
- Locally advanced/metastatic pancreatic cancer (with gemcitabine)
- Brand Name：Tarceva
- Pharmaceutical R&D & Intermediate
- Tool compound for EGFR signaling, cancer cell proliferation, apoptosis, invasion
- Intermediate for erlotinib hydrochloride (API) and impurity standards
- Clinical & Research Standard
- Reference for PK/PD/toxicology quantification
- HPLC/LC-MS standard for bioanalysis (plasma/urine/tissue)
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