Osimertinib Mesylate CAS 1421373-66-1

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This product is a third-generation irreversible epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI) API manufactured by chemical synthesis through multi-step coupling and Michael addition reactions around an indole-pyrimidine core. The process is mature with controllable impurities and favorable stability. It selectively inhibits both EGFR-sensitizing mutations and the T790M resistance mutation, effectively overcoming resistance to first- and second-generation TKIs. It is mainly used in tablet production for non-small cell lung cancer therapies.

Merging unique production crafts and cross‑border quality specifications, Shaoxing Hantai operates a goal‑oriented quality‑control setup. Each manufacturing lot is attached with matching CoA reports. We enforce thorough monitoring for magnesium assay values, chelation percentage, heavy‑metal leftovers and microbiological boundaries to realise homogeneous batch‑to‑batch quality. Our capable overseas‑trading team supports sample testing, tailor‑made packaging dimensions and full compliance dossiers. Global enquiries, qualification inspections and large‑scale orders are responded to swiftly via bespoke supply‑chain tactics.