High Purity 3-Methyl-5-Pyrazolone 99.5% from Germany
Ultra-high purity 3-Methyl-5-pyrazolone (99.5%) for advanced pharmaceutical synthesis is classified under HTS 2933.19.70.00. This specification confirms its status as a separate chemically defined organic compound with pyrazole ring per Chapter 29.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Require third-party assay certificates for purity claims above 99%
• Ship under proper temperature control if melting point considerations apply
• Avoid water-dissolved forms unless meeting Chapter 29 note (d) transport criteria