Indole-3-Carboxaldehyde from Canada
Indole-3-carboxaldehyde features an aldehyde group at position 3 of the indole ring, remaining under HTS 2933.99.0500 as the named heterocyclic compound prevails over aldehyde function. Used in synthesis of pharmaceuticals and fragrances.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Aldehyde function (2912) subordinate to specifically named heterocycle
• Air-sensitive compound; proper inert packaging required for transport
• Document synthetic route to confirm not derived from natural sources (Chapter 29 exclusion)