Methaqualone Base (Pure) from China
Pure methaqualone (INN) is a synthetic quinazolinone sedative with a fused pyrimidine ring structure. Classified under HTS 2933.55.00.00 for its specific naming as a heterocyclic nitrogen compound with pyrimidine ring, adhering to chapter notes for separate chemically defined organic compounds. Imported primarily for forensic analysis or pharmaceutical reference standards.
Duty Rate — China → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include analytical HPLC reports proving chemical identity; register as Schedule I substance with DEA
• Pitfall: bulk shipments without end-user certificates trigger scrutiny