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

3-Acetylindole from China

3-Acetylindole contains a ketone functionality at position 3 of the indole structure, classified under HTS 2933.99.0500 with the heterocycle taking precedence over ketone classification. Important intermediate for alkaloid synthesis.

Duty Rate — China → United States

12.5%

Rate breakdown

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

Import Tips

Ketone function (2914) does not override specifically named heterocyclic compound

Provide melting point (170-174°C) and spectroscopic data for identity confirmation

Common misclassification as 'other ketones'; emphasize indole structure in documentation