Guaiacol Carbonate from Japan
Guaiacol carbonate is a derivative of guaiacol, featuring a carbonate ester group attached to the phenolic oxygen, classifying it as an aromatic amino-compound with oxygen function under HTS 2922.50.19.00. It is used in pharmaceutical synthesis as an intermediate for expectorant drugs and cough syrups.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify chemical purity via Certificate of Analysis (CoA) to confirm guaiacol derivative status and avoid reclassification
• Include Safety Data Sheet (SDS) and ensure UN-approved packaging for hazardous chemical transport
• Watch for drug precursor regulations under DEA if used in controlled substance synthesis