Quinazoline from China
Quinazoline is a bicyclic heterocyclic compound featuring a fused benzene and pyrimidine ring, classified under HTS 2934.99.90.01 as 'other' heterocyclic compounds. It serves as a key intermediate in pharmaceutical synthesis for drugs targeting cancer and neurological disorders.
Duty Rate — China → United States
112.5%
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
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide Certificate of Analysis (CoA) confirming chemical purity and structure to avoid misclassification as mixtures
• Ensure proper Hazard Communication labeling per GHS for safe transport of reactive heterocyclic compounds
• Verify REACH compliance if transshipping through EU to prevent customs holds on pharmaceutical intermediates