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2933.19.43.00/1-Phenyl-3-methyl-5-pyrazolone/Canada

1-Phenyl-3-methyl-5-pyrazolone from Canada

1-Phenyl-3-methyl-5-pyrazolone is a modified aromatic pyrazole derivative used in dye and pharmaceutical synthesis. Classified under HTS 2933.19.43.00 for unfused pyrazole compounds that are aromatic or modified aromatic. The ketone functionality does not change its primary pyrazole classification.

Duty Rate — Canada → United States

16.5%

Rate breakdown

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

• Provide spectral analysis (NMR/IR) confirming pyrazole ring structure; label as 'not for medicinal use' if research grade; watch for GRI 1 misclassification as ketones (2914)