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1-(2-Aminothiazol-4-yl)ethan-1-one from China

1-(2-Aminothiazol-4-yl)ethan-1-one contains heterocyclic thiazole but classifies as amino-ketone under HTS 2922.39.5000 when oxygen function predominates over heterocycle. Antibiotic intermediate.

Duty Rate — China → United States

44%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Heterocycles scrutinized for Chapter 29 Note 5; provide NMR confirming keto tautomer

Antibiotic intermediates face additional FDA scrutiny

1-(2-Aminothiazol-4-yl)ethan-1-one from China — Import Duty Rate | HTS 2922.39.50.00