Myclobutanil Reference Standard from Japan
High-purity Myclobutanil reference standard (α-Butyl-α-(4-chlorophenyl)-1H-1,2,4-triazole-1-propanenitrile) >99% for analytical labs, classified under HTS 2933.99.06.00 as a chemically defined heterocyclic compound. Used for HPLC calibration in pesticide residue testing. Meets chapter requirements for separate organic compounds.
Duty Rate — Japan → United States
21%
Rate breakdown
9903.04.628.5%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
• Include Certificate of Analysis (CoA) confirming identity and purity
• Label as 'Reference Standard - Not for Sale' to avoid EPA end-use scrutiny
• Small package exemptions may apply for lab quantities under DE minimis