4-Methylsemicarbazide from Germany
4-Methylsemicarbazide hydrochloride serves as a selective hydrazide reagent in organic synthesis. HTS 2924.21.50.00 includes it as 'other' ureine derivatives; salts thereof.
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
• Hydrochloride salt form requires pH stability documentation
• Label 'corrosive' if HCl content >20% by weight
• Research chemical exemption for quantities <1kg