4-Methylsemicarbazide from Canada
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 — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Hydrochloride salt form requires pH stability documentation
• Label 'corrosive' if HCl content >20% by weight
• Research chemical exemption for quantities <1kg