Description

3-(β-D-Glucopyranosyloxy)-7-(α-L-Rhamnopyranosyloxy)-3',4',5-Trihydroxyflavone is a specific flavonoid glycoside, a class of compounds valued for their potent biological activities. This compound matters for its role as a key phytochemical marker and active ingredient in botanical extracts and research. It is needed by manufacturers in the nutraceutical, pharmaceutical, and cosmetic industries for product development and standardization.

Application

• Pharmaceutical Research: As a reference standard for the identification and quantification of flavonoid content in herbal medicines and botanical drug substances.
• Nutraceutical Formulation: Used as a standardized active component in dietary supplements targeting antioxidant and anti-inflammatory support.
• Cosmetic Ingredients: Incorporated into skincare formulations for its potential antioxidant and skin-protective properties.
• Analytical Chemistry: Serves as a high-purity calibration standard in HPLC and LC-MS methods for quality control of plant extracts.
• Biochemical Research: Investigated in vitro and in vivo studies for its potential pharmacological effects and mechanisms of action.
• Food Science: Studied as a natural bioactive compound for functional food and beverage applications.

Basic Information

Product Name	3-(β-D-Glucopyranosyloxy)-7-(α-L-Rhamnopyranosyloxy)-3',4',5-Trihydroxyflavone
CAS No.	18016-58-5
Molecular Formula	C27H30O15
Molecular Weight	594.52 g/mol
Synonyms	Kaempferol 3-O-β-D-glucopyranosyl-7-O-α-L-rhamnopyranoside; Kaempferol 3-glucoside-7-rhamnoside; Kaempferol 3-O-glucoside-7-O-rhamnoside; Lespedin; Lespenephryl; 3,7-Di-O-glycosylkaempferol; Kaempferol 3-O-β-D-glucoside 7-O-α-L-rhamnoside; Flavonoid glycoside 18016-58-5
EINECS	Contact for details

Quality Control

Our 3-(β-D-Glucopyranosyloxy)-7-(α-L-Rhamnopyranosyloxy)-3',4',5-Trihydroxyflavone is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and related substances is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a low-humidity environment to prevent degradation.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Assay (HPLC)	≥95.0%
Loss on Drying	≤5.0%
Residue on Ignition	≤1.0%
Heavy Metals (as Pb)	≤20 ppm
Related Substances (HPLC)	Total impurities ≤3.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.