Indole from China
Indole is a bicyclic aromatic heterocyclic compound featuring a benzene ring fused to a pyrrole ring with nitrogen hetero-atom, specifically named in HTS 2933.99.0500. It is widely used as an intermediate in synthesizing pharmaceuticals, perfumes, and agrochemicals.
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
• Include Certificate of Analysis (COA) specifying purity >98% to confirm classification as pure chemical compound
• Declare CAS 120-72-9 and ensure compliance with TSCA inventory listing for US importation
• Document end-use as chemical intermediate to prevent reclassification as finished pharmaceutical product