4-NH2-C6H4CONH2 Crystals from Japan
Crystalline 4-NH2-C6H4CONH2 (p-aminobenzamide) is a key building block for sulfonamide antibiotics and dyes. Fits HTS 2924.29.77.30 as 'p-Aminobenzamide' specific, an aromatic amide per chapter hierarchy. Chemically defined without exclusions like retail colorings.
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
• Use structural formula on labels for CBP verification; ensure <10ppm heavy metals
• Common issue: confusion with sulfanilamide (2930)