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Parabanic Acid from Canada

Parabanic acid, a simple hydantoin derivative, serves as an analytical reagent and synthetic intermediate. Classified under HTS 2933.21.00.00 for its unfused imidazole ring structure as a chemically defined organic compound.

Duty Rate — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Laboratory reagent certificates from NIST/USP sources strengthen classification,Small package exemption consideration for research quantities,Avoid bulk packaging that suggests industrial chemical preparation