Senecionine from Mexico
Senecionine is an aromatic otonecine-class pyrrolizidine lactone alkaloid used in toxicology research. Classified under HTS 2932.20.20.00 due to its oxygen-containing heterocyclic lactone structure and pharmaceutical research applications. Isolated from Senecio plants as reference hepatotoxin standard.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Submit Institutional Animal Care approval if for toxicity studies; declare research-only use
• Specify isolation method (HPLC purification) and purity (>95%) to qualify as reference standard
• Include genotoxicity warning labels per GHS; handle as potent hepatocarcinogen