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2933.49.15.00/Isoquinoline 95% with Stabilizer/China

Isoquinoline 95% with Stabilizer from China

Isoquinoline at 95% purity with added stabilizer for transport, allowed under Chapter 29 note (f), remains HTS 2933.49.15.00. Used in agrochemical formulation.

Duty Rate — China → United States

18.3%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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Import Tips

• List stabilizer composition to confirm it doesn't change product use

• Validate stabilizer is solely for preservation per chapter notes