4-Nitroimidazole Intermediate from Canada
Imidazole with nitro group at position 4, but primarily classified as imidazole under HTS 2933.29.60.00 per chapter notes on derivatives. Key for metronidazole antibiotic synthesis.
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
• Declare nitro content but emphasize heterocyclic principal function; provide REACH/SDS for nitro compound hazards; bulk import only to stay in Chapter 29