Saxitoxin Sodium Salt from Mexico
Saxitoxin sodium salt is the sodium derivative of saxitoxin, classified under HTS 2939.80.0010 as an alkaloid salt per Chapter 29 note 3(C)(1). Inorganic salts of organic alkaloid compounds remain with the parent organic compound classification.
Duty Rate — Mexico → United States
100%
Rate breakdown
9903.04.6093.5%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Specify salt form in commercial invoice to match HTS salt classification rules
• Use IATA dangerous goods certified packaging for air shipment
• Obtain end-user statement from importing lab for antiterrorism clearance