1H-Imidazole Pharmaceutical Grade from Canada
High-purity 1H-Imidazole used in synthesis of antifungal drugs like clotrimazole, classified under HTS 2933.29.60.00 for unfused imidazole rings. Meets USP standards for medicinal intermediate production.
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
• Provide CoA confirming ≥99.5% purity and low heavy metals for FDA import alerts; use proper UN 3265 packaging for corrosivity; avoid retail packaging to prevent Chapter 38 reclassification