Ergocornine Base

Pure ergocornine is a rye ergot alkaloid isolated for pharmaceutical synthesis and neuropharmacology studies. HTS 2939.69.00.00 covers this natural alkaloid as 'other' rye ergot products, excluding salts/esters which remain in same heading per notes. It's a separate chemically defined compound per chapter note (a).

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇨🇦CanadaFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

Alternative Classifications

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

2937.90.90.00Same rate: Free

If marketed primarily as hormone modulator

Hormones have dedicated heading 2937; ergot alkaloids classified by chemical structure first.

2940.00.60.00Higher: 30.8% vs Free

If for sugar esters of this alkaloid

Sugar derivatives move to heading 2940 per chapter exclusions.

Not sure which classification is right?

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Import Tips & Compliance

• Include mass spectrometry data verifying molecular structure as rye ergot alkaloid

• Store and ship with stabilizers only if per chapter note (f) for preservation

• Avoid retail packaging that could trigger Chapter 30 misclassification

Related Products under HTS 2939.69.00.00

Ergotamine Tartrate

Ergotamine tartrate is a semi-synthetic derivative of ergot alkaloids from rye ergot (Claviceps purpurea), used primarily for treating migraines. It falls under HTS 2939.69.00.00 as a derivative of rye ergot alkaloids, specifically the tartrate salt form. This classification covers natural or synthetic alkaloids and their salts from rye ergot, excluding lysergic acid derivatives.

Ergosine Hydrobromide

Ergosine hydrobromide is a lesser-known rye ergot alkaloid salt used in biochemical studies. HTS 2939.69.00.00 applies as the hydrobromide salt of a rye ergot alkaloid per classification notes on salts. Supplied as high-purity powder for research.

Ergoclavine

Ergoclavine is a clavine-type alkaloid from rye ergot fungi, studied for neuroactive properties. Falls under HTS 2939.69.00.00 as a natural rye ergot alkaloid, per chapter scope for separate chemically defined compounds. Often synthesized for purity.

Isoergosine

Isoergosine is an isomer of ergosine from rye ergot, used in stereochemistry studies. HTS 2939.69.00.00 covers this as a rye ergot derivative; chapter note (b) includes isomers of organic compounds. Chemically defined and separate from mixtures.

Ergostine

Ergostine represents ergoline alkaloids from rye ergot used in synthetic chemistry. Classified HTS 2939.69.00.00 as other rye ergot alkaloids, meeting purity standards of chapter notes. Base form without salts or esters.

Dihydroergotamine Mesylate

Dihydroergotamine mesylate is a hydrogenated derivative of ergotamine from rye ergot, administered via injection for acute migraine treatment. Classified under HTS 2939.69.00.00 as 'other' derivatives of rye ergot alkaloids and their salts. The mesylate salt form qualifies under chapter provisions for salts of organic compounds.