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Saxitoxin with Stabilizer from Mexico

Saxitoxin containing added stabilizers necessary for preservation falls under HTS 2939.80.0010 per Chapter 29 note 2(f). Stabilizers don't change its nature as a chemically defined alkaloid.

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

List stabilizer composition and validate as necessary for preservation only

Ensure additives don't render product for specific use beyond Chapter 29 scope

Batch testing certificates required for purity confirmation