NPP Custom Synthesis Intermediate from Germany
Custom-produced N-Phenethyl-4-piperidone for specific pharmaceutical campaigns, verified by HPLC to match HTS 2933.37.00.00 specifications. Contains unfused piperidone ring as core heterocyclic structure. Documented chain of custody for controlled precursor.
Duty Rate — Germany → United States
18.5%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Customer qualification letter specifying synthetic route using NPP required for DEA
• GMP certificate if for API production; otherwise research grade documentation
• Verify no prohibited downstream products in import declaration