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Osimertinib Mesylate from China

Osimertinib mesylate is a third-generation EGFR TKI for lung cancer with T790M mutation. The indoline-quinazoline structure qualifies as aromatic modified heterocyclic drug under HTS 2933.99.75.00.

Duty Rate — China → United States

19%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Include polymorphic form designation (Form A) in import documentation

Particle size distribution critical for bioavailability - include laser diffraction data

Declare therapeutic class on entry summary to facilitate FDA review