Fenetylline Phosphate from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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