Metanilamide from Japan
Metanilamide (3-aminobenzenesulfonamide) is a specific sulfonamide isomer listed under HTS 2935.90.10.00 within Chapter 29's sulfonamides provision. This chemically defined compound features meta-positioned amino and sulfonamide groups on benzene. Used in biochemical research and as a sulfanilamide analogue.
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
• Laboratory/research end-use certification helps distinguish from bulk pharmaceutical intermediates
• Molecular formula (C6H8N2O2S) and NMR spectra documentation confirms structural identity
• Small quantity imports (<1kg) may qualify for simplified documentation procedures