Dihydroergotamine Mesylate
Dihydroergotamine mesylate, a semi-synthetic salt derivative of ergotamine used for acute migraine therapy via injection or nasal spray. Falls under HTS 2939.62.00.00 as a salt of ergotamine (its parent alkaloid) per the heading's coverage of rye ergot derivatives. Imported as high-purity API with anti-dusting agent for safety.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +100.0% | 100% |
| 🇲🇽Mexico | Free | +100.0% | 100% |
| 🇨🇦Canada | Free | +100.0% | 100% |
| 🇩🇪Germany | Free | +15.0% | 15% |
| 🇯🇵Japan | Free | +15.0% | 15% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If when imported as nasal spray solution in measured doses
Put-up in dosage forms for retail/medical use shifts to medicaments in Chapter 30, excluding bulk Chapter 29 chemicals.
If deemed other ergot derivative salts not specifically ergotamine
Customs may classify non-standard derivatives under broader ergot provisions if structure deviates significantly.
If for stabilized solutions in transport packaging
Chapter notes exclude solutions rendered suitable for specific use, moving them to chemical mixtures.
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
• Confirm semi-synthetic status doesn't alter classification via chemical analysis certificate; secure advance narcotic import license; test for mesylate purity to avoid base compound disputes
Related Products under HTS 2939.62.00.00
Ergotamine Tartrate Powder
Ergotamine tartrate is the most common salt form of ergotamine, a rye ergot alkaloid used primarily in pharmaceutical applications for migraine treatment. This pure chemical compound falls under HTS 2939.62.00.00 as it is specifically ergotamine and its salts, meeting Chapter 29's criteria for separate chemically defined organic compounds. It is typically imported as a bulk powder for further formulation into medications.
Ergotamine Tartrate USP Grade
Pharmaceutical-grade ergotamine tartrate meeting United States Pharmacopeia standards for use in compounding migraine medications. Classified under HTS 2939.62.00.00 as a chemically defined salt of the rye ergot alkaloid ergotamine. Imported in bulk for API manufacturing, with stabilizer added solely for preservation.
Ergotamine Phosphate Salt
Ergotamine phosphate, an alternative inorganic salt form of the rye ergot alkaloid for pharmaceutical synthesis. Classified in HTS 2939.62.00.00 following Chapter 29 note rules for inorganic salts of organic compounds to stay with the parent alkaloid heading. Used in research and specialty formulations.
Ergotamine Hydrochloride API
Hydrochloride salt of ergotamine, a water-soluble form imported as active pharmaceutical ingredient for tablet production. HTS 2939.62.00.00 applies as it's a chemically defined salt of the specified ergot alkaloid, with no exclusions for standard API packaging. Includes minor stabilizer per chapter allowance.