Sennoside A from China
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.
Duty Rate — China → United States
16.2%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• 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