Semicarbazide Hydrochloride from Mexico
Semicarbazide hydrochloride derives from hydrazine and is used to form semicarbazones for carbonyl identification. Classified HTS 2928.00.50.00 as organic hydrazine derivative salt following chapter salt classification rules. Essential for chromatographic derivative preparation.
Duty Rate — Mexico → 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
• pH-sensitive; buffer solutions required for stability; provide NMR spectra confirmation; small package sizes reduce risk