2-Aminothiazole-4-Acetic Acid from Canada
This thiazole derivative with amino and acetic acid functions on aromatic ring structure qualifies for HTS 2934.10.10.00. Key intermediate for cephalosporin antibiotic synthesis.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide particle size distribution (D90<10μm) for downstream cefotaxime synthesis
• Light-sensitive; use amber glass or opaque HDPE containers with argon headspace
• Include genotoxic impurity profile per ICH M7 guidelines for API intermediates