Description

4H-1-Benzopyran-4-One,3-(A-L-Arabinofuranosyloxy)-5,7-Dihydroxy-2-(3,4,5-Trihydroxyphenyl)- is a specialized flavonoid glycoside compound of significant interest in advanced research and development. This high-purity chemical serves as a critical reference standard and building block for investigating bioactive natural products. It is primarily sought by pharmaceutical, nutraceutical, and life science research organizations for its role in studying antioxidant, anti-inflammatory, and other therapeutic pathways derived from its unique polyphenolic structure.

Application

• Pharmaceutical Reference Standard: Used as a high-purity calibrant in analytical methods (HPLC, LC-MS) for drug discovery and quality control of flavonoid-based therapeutics.
• Nutraceutical & Dietary Supplement Research: Serves as a key ingredient in studies focused on the bioavailability, efficacy, and standardization of natural health products.
• Biochemical & Pharmacological Research: Employed in in vitro and in vivo studies to explore mechanisms of action related to oxidative stress and cellular signaling.
• Cosmeceutical Development: Investigated for potential applications in advanced skincare formulations targeting anti-aging and photoprotection due to its antioxidant properties.
• Academic & Institutional Research: A vital compound for universities and research institutes conducting studies on plant-derived polyphenols and glycosides.

Basic Information

Item	Details
Product Name	4H-1-Benzopyran-4-One,3-(A-L-Arabinofuranosyloxy)-5,7-Dihydroxy-2-(3,4,5-Trihydroxyphenyl)-
CAS No.	35589-22-1
Molecular Formula	C20H20O12
Molecular Weight	452.37 g/mol
Synonyms	3-α-L-Arabinofuranosyloxy-5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)-4H-1-benzopyran-4-one; 3-O-α-L-Arabinofuranosylquercetin; Quercetin 3-O-α-L-arabinofuranoside; Avicularin; Quercetin 3-α-L-arabinofuranoside; 3-α-L-Arabinofuranosylquercetin; Quercetin-3-O-α-L-arabinopyranoside (common misnomer); Quercetin 3-O-arabinoside
EINECS	Contact for details

Quality Control

Every batch of our Avicularin (CAS 35589-22-1) is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure identity, purity, and consistency, meeting the exacting requirements of research and development. A Certificate of Analysis (COA) detailing specifications such as assay (HPLC), related substances, and identification is supplied with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C under an inert atmosphere to minimize oxidation. Keep the container sealed to protect this hygroscopic and light-sensitive material from moisture and 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	≤2.0%
Residue on Ignition	≤0.5%
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.