3-Nitrophenylalanine from Germany
3-Nitrophenylalanine is a nitro-substituted aromatic amino acid used in photocaging groups for photochemistry, classified HTS 2922.49.37.00. Nitro group doesn't count as nitrogen-function for 2929 per chapter note 4. Single oxygen-function carboxyl defines classification.
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
• UV-Vis spectrum showing nitro-aromatic absorption confirms identity
• Nitro compounds require oxidizing solid labeling if pure
• Note 4 prevents nitroso/nitro reclassification to 2929