Sennoside A

Sennoside A, a dianthrone glycoside from senna leaves, falls under HTS 2938.90.00.00 as a glycoside derivative. Primary use in laxative formulations and standardization.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%—3.7%
🇲🇽Mexico3.7%—3.7%
🇨🇦Canada3.7%—3.7%
🇩🇪Germany3.7%—3.7%
🇯🇵Japan3.7%—3.7%

Alternative Classifications

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

2938.90Same rate: 3.7%

If same heading but different statistical suffix if rhein content specified

Statistical reporting may break out specific glycosides.

3004.90Higher: 10% vs 3.7%

If pre-mixed into dosage forms

Medicaments exceed bulk chemical classification.

1302.19Higher: 10% vs 3.7%

If as senna leaf extract

Crude extracts classified as vegetable extracts, not purified glycosides.

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Import Tips & Compliance

• Include HPLC chromatogram verifying sennoside glycosidic structure

• Declare as API reference standard if <1kg to simplify FDA entry

• Avoid 'laxative ingredient' labeling; use technical nomenclature