Genistein
Genistein is a naturally occurring isoflavone glycoside found in soybeans and other plants, classified under HTS 2938.90.00.00 as a glycoside derivative. It is used in dietary supplements for its phytoestrogenic properties and potential health benefits.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 3.7% | +12.5% | 16.2% |
| 🇲🇽Mexico | 3.7% | +10.0% | 13.7% |
| 🇨🇦Canada | 3.7% | +10.0% | 13.7% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +12.5% | 12.5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If marketed primarily as a hormone or hormone analog
Genistein has phytoestrogenic activity; chapter notes specify hormone-like substances go to heading 2937.
If when formulated into finished dosage forms like capsules
Medicaments in measured doses fall under Chapter 30, not bulk glycosides of Chapter 29.
If incorporated into food supplements with additives exceeding 20% by weight
Food preparations with significant non-glycoside components classified by principal function.
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Import Tips & Compliance
• Provide certificates of analysis confirming glycoside structure to avoid reclassification under Chapter 30 pharmaceuticals
• Ensure proper labeling as research chemical if not for human consumption to comply with FDA import requirements
• Verify purity levels (>98%) as impurities may affect classification under chapter notes
Related Products under HTS 2938.90.00.00
Quercetin-3-O-Glucoside
Quercetin-3-O-glucoside is a flavonoid glycoside extracted from onions and apples, falling under HTS 2938.90.00.00 as a glycoside derivative. It serves as an antioxidant in nutraceuticals and functional foods.
Salidroside
Salidroside, a phenyl ethanol glycoside from Rhodiola rosea, is classified under HTS 2938.90.00.00 as a glycoside derivative. It's a key active in adaptogenic supplements for stress relief.
Amygdalin
Amygdalin is a cyanogenic glycoside from apricot kernels and bitter almonds, under HTS 2938.90.00.00. Historically used in alternative medicine, now primarily research chemical.
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.
Oleuropein
Oleuropein, a secoiridoid glycoside from olive leaves, classified under HTS 2938.90.00.00. Used in cardiovascular health supplements and as analytical standard.
Arbutin (Hydroquinone-β-D-Glucopyranoside)
Arbutin is a hydroquinone glucoside from bearberry leaves, under HTS 2938.90.00.00. Widely used in cosmetics as skin-lightening agent and pharmaceutical intermediate.