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3-Carboxy-1-methylpyrazole from Canada

3-Carboxy-1-methylpyrazole features an unfused pyrazole ring with carboxylic acid functionality, classified as aromatic pyrazole 'other' under HTS 2933.19.43.00. The acid function doesn't override pyrazole classification per Chapter 29 ester/acid rules. Common intermediate for herbicides.

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

Test for free acid vs salt form (salts follow base classification); provide pKa data if disputed; avoid packaging suggesting retail medicinal use

3-Carboxy-1-methylpyrazole from Canada — Import Duty Rate | HTS 2933.19.43.00