Cathine Phosphate Powder from China
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 — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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