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Methysergide Maleate

Methysergide maleate is a semisynthetic lysergic acid derivative salt used in migraine research, classified under HTS 2939.63.00.00 as a rye ergot alkaloid salt. Meets chapter requirements for chemically defined organic compounds.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+100.0%100%
🇲🇽MexicoFree+100.0%100%
🇨🇦CanadaFree+100.0%100%
🇩🇪GermanyFree+15.0%15%
🇯🇵JapanFree+15.0%15%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3003.39Lower: 12.5% vs 100%

If hormonal or ant migraine preparations

If formulated for specific therapeutic use, moves to medicaments chapter.

2939.69.00.00Same rate: 100%

If other ergot alkaloids not specified

Residual category for ergot derivatives without specific salt provisions.

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

• Check FDA Orange Book status for any reference standard requirements

• Provide batch-specific chromatograms demonstrating lysergic acid content

• Declare research-only intended use to avoid pharmaceutical dosage form scrutiny

Related Products under HTS 2939.63.00.00

Lysergic Acid Diethylamide (LSD) Tartrate

Lysergic acid diethylamide (LSD) in its tartrate salt form is a semi-synthetic derivative of lysergic acid, classified under HTS 2939.63.00.00 as a salt of lysergic acid from rye ergot alkaloids. It is a chemically defined organic compound used primarily in research settings due to its potent hallucinogenic properties.

Ergocristine Methanesulfonate Salt

Ergocristine methanesulfonate is a salt derivative of lysergic acid-containing ergot alkaloid from rye ergot, falling under HTS 2939.63.00.00. This chemically defined organic compound is used in pharmaceutical research for its vasoconstrictive properties.

Lysergic Acid Amide Hydrochloride

Lysergic acid amide hydrochloride is the hydrochloride salt of a lysergic acid derivative from rye ergot alkaloids, properly classified in HTS 2939.63.00.00. This pure chemical compound serves as an intermediate in alkaloid synthesis research.

Ergonovine Maleate Salt

Ergonovine maleate, a lysergic acid derivative salt from rye ergot, is classified under HTS 2939.63.00.00 as it meets the chapter definition for chemically defined alkaloid salts. Used in medical research for its uterotonic properties.

D-Lysergic Acid Sodium Salt

D-Lysergic acid sodium salt is the sodium salt form of the natural D-isomer of lysergic acid from ergot alkaloids, classified in HTS 2939.63.00.00 per chapter notes on organic compound salts. Primarily used as a synthetic intermediate.

Iso-Lysergic Acid Hydrazide Salts

Iso-lysergic acid hydrazide salts are derivatives of lysergic acid from rye ergot, classified as salts under HTS 2939.63.00.00. These chemically defined compounds are used in neuropharmacological studies.