1-Hydroxy-N,N-diethyl-3-oxo-1H-indole-2-propanamide from Japan
An indolic coupler derivative used in photographic color development for fine-grain magenta dyes with controlled solubility. The heterocyclic amide structure ensures compatibility with aqueous processing. Classified under HTS 2933.99.24.00 for photographic use.
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
• Amide-function confirmation per heading provisions; provide solubility parameters; ensure coupler reactivity data for verification