Research Grade Piperonal from Canada
Ultra-pure piperonal (99.9%) packaged in small quantities for laboratory synthesis of organic compounds. As a separate chemically defined heterocyclic under note 1(a), it is classified in HTS 2932.93.00.00.
Duty Rate — Canada → United States
14.8%
Rate breakdown
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 institutional end-user letter; limit quantities under 1kg for lab exemption; screen for controlled precursor status