Pyrazole Crystals from Germany
Pyrazole (1H-pyrazole), a five-membered aromatic heterocycle with adjacent nitrogen atoms, used in agrochemicals and pharmaceuticals. Falls under HTS 2933.99.9701 as other nitrogen heterocyclic compounds per Chapter 29 scope.
Duty Rate — Germany → United States
6.5%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Confirm tautomer purity via HPLC; mixtures trigger Chapter note (b)
• EPA registration needed for pesticide intermediate use; common error is missing end-use statement
• Declare crystal form (polymorph); amorphous forms risk 3824 classification