Colchicine USP from Mexico
Colchicine USP is an alkaloid drug containing a tropolone ring system (seven-membered heterocycle with oxygen), used for gout and Mediterranean fever. Classified as HTS 2934.99.4700 drug due to its complex heterocyclic structure and pharmaceutical use. Excluded from Chapter 29 alkaloid headings.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• DEA Schedule III controls apply - obtain import permit; light-sensitive, use amber packaging; purity certificate essential to avoid 2939 alkaloid classification