Fenetylline Phosphate from China
Fenetylline phosphate represents the phosphoric acid salt of fenetylline, used in pharmaceutical research as a theophylline-aminophylline derivative. Classified under HTS 2939.51.00.00 per chapter notes covering salts of specifically named alkaloids.
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
• Submit FDA and DEA import alerts with batch analysis confirming >98% purity
• Declare exact salt form on commercial invoice to prevent reclassification
• Ensure packaging meets UN hazardous materials standards for transport