Halosulfuron Methyl Reference Standard from Japan
High-purity halosulfuron methyl reference standard (≥99.5%) used for analytical method validation, residue analysis, and quality control in pesticide manufacturing. Qualifies under HTS 2935.90.13.00 as the specifically named sulfonamide compound. Packaged in 100mg-1g amber glass vials.
Duty Rate — Japan → United States
27.5%
Rate breakdown
9903.04.6215%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certificate of Analysis must include HPLC purity, NMR spectrum, and mass balance
• Small package exemption from EPA import notification for <100g analytical standards
• Store at -20°C; validate cold chain integrity during import