5,5-Diphenylhydantoin (Phenytoin Base) from Germany
The active pharmaceutical base form of the anticonvulsant phenytoin, a classic hydantoin derivative. Classified under HTS 2933.21.00.00 for its unfused imidazole ring structure as a separate chemically defined organic compound per Chapter 29 note (a).
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Submit FDA bulk drug substance notification with DMF reference,Include USP/NF or EP certificate of analysis confirming identity and purity,Prevent confusion with sodium salt form which may have different documentation