Levorphanol Tartrate from Canada
Levorphanol tartrate is the tartrate salt form of levorphanol, a potent opioid agonist chemically classified as a morphinan derivative with an isoquinoline ring system. It falls under HTS 2933.41.00.00 as a specific salt of levorphanol (INN), meeting Chapter 29 requirements for separate chemically defined organic compounds with nitrogen hetero-atoms. This pharmaceutical intermediate or active ingredient is used in pain management formulations.
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 DEA registration and Schedule II controlled substance documentation; obtain FDA import approval with drug master file
• Ensure proper chemical purity certificates to avoid misclassification
• Label as pharmaceutical bulk active ingredient, not finished dosage form