</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

dc-Saxitoxin Derivative from Japan

dc-Saxitoxin (decarbamoyl saxitoxin) is a derivative of saxitoxin classified under HTS 2939.80.0010 as an alkaloid derivative. As a chemically defined structural analogue of saxitoxin, it remains in the specific saxitoxin subheading.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Provide structural analysis confirming saxitoxin derivative status

Dual-use documentation may be required for toxin research applications

Smallest import quantities preferred due to select agent regulations