Parabanic Acid from Mexico
Parabanic acid, a simple hydantoin derivative, serves as an analytical reagent and synthetic intermediate. Classified under HTS 2933.21.00.00 for its unfused imidazole ring structure as a chemically defined organic compound.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Laboratory reagent certificates from NIST/USP sources strengthen classification,Small package exemption consideration for research quantities,Avoid bulk packaging that suggests industrial chemical preparation