Quinazoline from China
Quinazoline is a bicyclic aromatic heterocyclic compound with a fused benzene and pyrimidine ring, classified under HTS 2934.99.44.00 as an other aromatic heterocyclic compound. It serves as a key intermediate in pharmaceutical synthesis for drugs targeting cancer and neurological disorders.
Duty Rate — China → United States
100%
Rate breakdown
9903.04.6093.5%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Provide chemical purity certificates and CAS number (275-558-7) for CBP verification as a chemically defined compound
• Ensure SDS documentation for hazardous material handling during transport
• Avoid misclassification as a finished pharmaceutical under Chapter 30 by importing as bulk intermediate