Quercetin 3,7-di-O-rhamnopyranoside 96% Purity CAS 28638-13-3 Flavonoid Glycoside for Antioxidant Research Reagent Grade

• • • Product Overview

      Quercetin 3,7-di-O-rhamnopyranoside is a naturally occurring flavonoid glycoside compound. It consists of the aglycone quercetin linked to two rhamnose sugar moieties at the 3- and 7-positions. This product is a high-purity research-grade reagent with a purity of ≥96% as determined by HPLC analysis, appearing as a yellow powder. It is primarily used in antioxidant research and natural product chemistry .

      Chemical Properties

      • Molecular Formula: C₂₇H₃₀O₁₅ 

      • Molecular Weight: 594.52 g/mol 

      • Synonyms: Quercetin 3,7-O-dirhamnoside 

      • Density: 1.76 g/cm³ (Predicted) 

      • Solubility: Soluble in DMSO

      Natural Source

      Quercetin 3,7-di-O-rhamnopyranoside is a flavonoid glycoside found in various plant sources. It is a minor flavonoid component in many fruits and vegetables and belongs to the flavonol subclass of flavonoids.

      Extraction and Purification Process

      The production involves solvent extraction from plant materials, chromatographic separation using polyamide or preparative HPLC, and drying to achieve high purity.

      Mechanism of Action & Applications

      • Antioxidant Activity: Exhibits free radical scavenging activity.

      • Natural Product Chemistry: Serves as a reference compound for flavonoid glycoside identification.

      • Life Science Research: Used in life science-related research applications .

      Quality Specifications

      • Purity: ≥96.0%–98.0% (determined by HPLC area normalization) 

      • Appearance: Yellow powder

      • Identification: Conforms to structure by NMR and Mass Spectrometry

      • Loss on Drying: ≤0.5%

      • Residue on Ignition: ≤0.1%

      • Heavy Metals: ≤10 ppm

      • Each batch is accompanied by a comprehensive Certificate of Analysis (COA).

      Packaging & Storage

      • Packaging: Available in 2mg, 5mg, 10mg, 20mg amber glass vials for research purposes. Larger quantities are available upon request.

      • Storage: Store powder in a tightly sealed container, protected from light, at 2-8°C for up to 24 months, or at -20°C for up to 3 years . For stock solutions, store as aliquots at -20°C for up to 1 month. Allow product to equilibrate to room temperature before opening to avoid moisture condensation.

      • Shelf Life: 24-36 months when stored under recommended conditions.

Jinan Topfull Chemical Co., Ltd. is an international company rooted in China, specializing in the export of chemical products.

Our company is committed to making every effort to provide ideal chemical products to potential customers worldwide, including but not limited to: organic/inorganic reagents, biological reagents, plant extracts, pharmaceutical intermediates, active pharmaceutical ingredients (APIs), reference standards, reference substances, peptides, and more. Meanwhile, we have established long-term and stable cooperative relationships with university laboratories and off-campus research institutions, enabling us to offer tailored product services based on customers' actual needs.

We currently support customized services for most product categories, with supply quantities ranging from milligram (mg), gram (g) to kilogram (kg) levels, as well as wholesale. Product purity covers the full spectrum from 90% to 99.9%, providing customers with one-stop convenient services.

To date, our products have been exported to developed countries such as the United States, Australia, Canada, Mexico, as well as EU member states including France, Germany, and many other countries and regions such as Nigeria, Ghana, Southeast Asia, and other parts of Asia. Our product quality and services have consistently received high praise.

Looking ahead, our company will continue to serve as a bridge connecting China and the world, delivering high-quality products and services to global customers.