Indole-3-Acetic Acid from Mexico
Indole-3-acetic acid (auxin) contains a bicyclic structure with a pyrrole ring fused to benzene, featuring nitrogen hetero-atom only in the five-membered ring. Classified as modified aromatic under HTS 2933.99.82. Plant growth regulator used in agriculture.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• FIFRA labeling for pesticide use; stability data for acid form; avoid classification as hormone per 2937 note