2934.99.03.00/2-Acetylbenzo(b)thiophene/Japan

2-Acetylbenzo(b)thiophene from Japan

2-Acetylbenzo(b)thiophene is a specific aromatic heterocyclic compound featuring a thiophene ring fused to a benzene ring with an acetyl group at the 2-position. It falls under HTS 2934.99.03.00 as one of the explicitly named 'other heterocyclic compounds' in the aromatic category of Chapter 29. This chemically defined organic compound is used as an intermediate in pharmaceutical and agrochemical synthesis.

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%

Calculate with your customs value Verify classification with AI

Import Tips

• Provide detailed chemical analysis (NMR, MS) confirming identity as 2-Acetylbenzo(b)thiophene to match the specific HTS listing

• Include Safety Data Sheets (SDS) and purity certificates (>98%) as U.S

• Customs requires verification for named chemical compounds

• Avoid misclassification as general thiophene derivatives (2934.99.90); explicit naming requires precise documentation