Imidazole Buffer Reagent ACS Grade from Canada
ACS-certified Imidazole used as a buffering agent in biochemical assays and protein purification, under HTS 2933.29.60.00 for its unfused imidazole structure. Essential in lab pH control between 6.0-7.0.
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
• Include lot-specific CoA for trace analysis compliance; ship under proper temperature control to prevent degradation; declare exact CAS 288-32-4 to avoid mixture misclassification