Ergocristinine
Ergocristinine is an isolysergic acid derivative from rye ergot, used in alkaloid research. Classified in HTS 2939.69.00.00 as 'other' rye ergot derivatives, distinguished from lysergic acid amide (2939.41). Meets chapter note for chemically pure organic compounds.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇨🇦Canada | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If amide derivatives or lysergic acid salts
Specific subheading 2939.41 takes precedence for lysergic acid compounds.
If as laboratory reagent kit component
Diagnostic reagents in kits classified in 3822 regardless of chapter 29 composition.
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Import Tips & Compliance
• Laboratory use declaration helps avoid pharmaceutical scrutiny
• Ensure no amide modification that would trigger 2939.41
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.
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).
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.