Piperonal USP Reference Standard from Japan
Official USP piperonal reference standard for assaying pharmaceutical intermediates, packaged in amber vials. Precise fit for HTS 2932.93.00.00 as pure chemically defined heterocyclic.
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
• Include USP certificate of analysis; temperature-controlled shipping; FDA reference standard protocols