Ethyl (R)-Quizalofop Technical Grade from Canada
The R-enantiomer of 2-[4-[(6-chloroquinoxalin-2-yl)oxy]phenoxy]propanoic acid ethyl ester, known as (R)-quizalofop-ethyl, is a high-purity chiral herbicide active ingredient. Classified under HTS 2933.99.0200 due to its specific named heterocyclic structure with nitrogen-only heteroatoms in the aromatic quinoxaline ring. Used in enantiopure formulations for enhanced selectivity in soybean and cotton weed control.
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
• Verify enantiomeric purity via HPLC analysis for customs; include TSCA certification if for non-pesticide R&D; watch for quota restrictions on agrochemicals