Levorphanol Tartrate
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as minor narcotic derivative without specific INN listing
Other heterocyclic compounds with nitrogen not specifically named in 2933 move to later Chapter 29 heading per classification note.
If put up in dosage form for retail therapeutic use
Antisera, vaccines, and similar immunological products exclude Chapter 29; finished opioid meds classify under Chapter 30.
If manufactured as finished medicinal tablets or capsules
Medicaments in measured doses shift from bulk chemicals (Chapter 29) to finished pharmaceuticals (Chapter 30).
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• 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
Related Products under HTS 2933.41.00.00
Levorphanol Hydrochloride
Levorphanol hydrochloride is the hydrochloride salt of levorphanol, a synthetic opioid analgesic with a quinoline/isoquinoline ring structure. Classified under HTS 2933.41.00.00 per Chapter 29 note (C)(1) for inorganic salts of organic compounds following the parent organic compound's heading. Used primarily as bulk API for injectable or oral pain relief medications.
Levorphanol Sulfate
Levorphanol sulfate represents the sulfate salt variant of levorphanol (INN), a heterocyclic opioid with nitrogen-containing isoquinoline structure. HTS 2933.41.00.00 applies directly as specified salts of this INN compound, per Chapter 29 scope for chemically defined organic compounds. Primarily imported as high-purity intermediate for analgesic formulations.
Pharmaceutical Grade Levorphanol Base
Pure levorphanol (base form, INN) is the parent morphinan opioid with quinoline ring system, imported at >99% purity for salt formation. Falls under HTS 2933.41.00.00 covering both the INN compound and its salts as chemically defined heterocyclics. Used exclusively as active pharmaceutical ingredient precursor.
Levorphanol (S)-Tartrate Dihydrate
The dihydrate form of (S)-levorphanol tartrate maintains the core isoquinoline opioid structure with added water crystallization. HTS 2933.41.00.00 classification holds as salt of specified INN, with hydration not affecting Chapter 29 organic compound status. Bulk import for sterile injectable opioid production.