Indole-3-Carbaldehyde from China
Indole-3-carbaldehyde, a bicyclic benzopyrrole with aldehyde substitution, used in perfume and pharma synthesis. HTS 2933.99.9701 as other nitrogen heterocycles; aldehyde function doesn't override per classification notes.
Duty Rate — China → United States
19%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• GC purity >95% required; lower grades considered mixtures
• IFRA compliance for fragrance use; avoid cosmetic misdeclaration
• Aldehyde stabilizers must meet Chapter note (g) identifiability criteria