Phenobarbital Sodium from Canada
Phenobarbital sodium is the sodium salt of phenobarbital, a barbituric acid derivative containing a pyrimidine ring structure. It is classified under HTS 2933.52.9000 as 'other' malonylurea (barbituric acid) and its salts, distinct from specific barbiturates like those in 2933.52.10. This chemically defined heterocyclic compound fits chapter 29 note (a) for separate organic compounds.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Verify chemical purity certificates and CoA to confirm classification as barbituric acid salt under Chapter 29
• Include DEA import permit documentation due to controlled substance status; ensure proper labeling
• Avoid misclassification as finished dosage forms (Chapter 30); ship as bulk API only