o-Diquat Dibromide Reference Standard from Japan
Certified reference material of o-diquat dibromide for analytical laboratory use in pesticide residue testing. Precisely classified under HTS 2933.99.1600 as the pure heterocyclic compound. Used for GC-MS calibration in environmental monitoring.
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
• Include NIST-traceable certificate and chromatograms proving analytical reference purity
• Declare as 'analytical reference standard' with CAS 85-00-7 to avoid pesticide use assumptions
• Small package quantities (<1kg) reduce scrutiny but require precise documentation