N-Phenylsemicarbazide from Germany
N-Phenylsemicarbazide is used for carbonyl derivatization in chromatography. As a ureine derivative, it falls under HTS 2924.21.50.00 'other' category.
Duty Rate — Germany → United States
18.5%
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
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• TLC purity >98% for derivatization reagent specification
• Solvent-free packaging prevents Chapter 29 note (e) exclusion
• Avoid pharma intermediate declaration triggering FDA