Isorhamnetin 3-O-β-D-glucopyranoside

Isorhamnetin 3-O-β-D-glucopyranoside (CAS 5041-82-7, EC 207-545-5) is a naturally occurring flavonoid glycoside derived from isorhamnetin, also referenced under the synonyms Isorhamnetin-3-O-glucoside, Isorhamnetin 3-glucoside, and 3-Glucosylisorhamnetin. It carries no assigned E-code and is classified within the Vitamins and Nutrients category.

In food and nutraceutical formulations, it functions as an antioxidant by scavenging free radicals and chelating pro-oxidant metal ions, helping to protect lipid-containing matrices from oxidative degradation. Pharmaceutical and cosmetic formulators incorporate it into topical and oral preparations where controlled radical inhibition and cellular protection are required at the ingredient level.

This compound is supplied as a reference-grade or bulk powder compliant with REACH registration requirements applicable to EU-based procurement. Buyers should confirm purity specifications and certificate of analysis against intended application standards. HS code 29389090 applies for customs classification across EU member states.