Cathine Phosphate Powder from Japan
Cathine phosphate is a stable phosphate salt of cathine alkaloid, chemically defined and produced synthetically for use as a pharmaceutical reference standard or active ingredient precursor. Falls under HTS 2939.43.00.00 per chapter note (a) for separate organic compounds and their salts. Typically packaged in amber glass for light-sensitive transport.
Duty Rate — Japan → 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 NMR/IR spectra in technical file to verify phosphate salt formation and cathine identity
• Monitor for anti-dusting agents; chapter note (g) allows them only if not rendering product use-specific
• Pre-notify FDA via Prior Notice system for human drug substances regardless of immediate therapeutic use