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2933.59.85.00/6-Methyl uracil crystalline/Mexico

6-Methyl uracil crystalline from Mexico

Crystalline form of 6-methyl uracil, explicitly named in HTS 2933.59.85.00 for pyrimidine compounds. Crystallinity represents physical state of the chemically defined organic compound. Utilized in nucleotide synthesis research.

Duty Rate — Mexico → United States

100%

Rate breakdown

9903.04.60100%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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Import Tips

• Document crystal structure (XRD data) if disputes arise on compound identity

• Ensure moisture content <1% to prevent classification as hydrated form

• For research use, avoid 'for retail sale' packaging per chapter exclusions

6-Methyl uracil crystalline from Mexico — Import Duty Rate | HTS 2933.59.85.00