Description

Quercetin is a potent, naturally occurring flavonoid known for its significant antioxidant and anti-inflammatory properties. This high-purity compound is essential for formulators seeking to enhance the bioactivity and stability of their products. It is a critical ingredient for manufacturers in the nutraceutical, pharmaceutical, cosmetic, and functional food and beverage industries.

Application

• Dietary Supplements & Nutraceuticals: A key active ingredient in capsules, tablets, and powders for immune support, cardiovascular health, and general wellness.
• Pharmaceutical Intermediates: Used in the research and development of therapeutic agents targeting inflammation, allergies, and metabolic disorders.
• Cosmetics & Skincare: Incorporated into anti-aging serums, creams, and lotions for its antioxidant protection against environmental stressors and UV radiation.
• Functional Food & Beverage Fortification: Added to health drinks, sports nutrition products, and fortified foods to provide enhanced nutritional value.
• Animal Nutrition (Feed Additives): Used in premium pet food and livestock feed to promote animal health and vitality.
• Research & Development: Serves as a standard or active compound in biochemical, pharmacological, and cellular studies within academic and industrial laboratories.

Basic Information

Product Name	Quercetin
CAS No.	117-39-5
Molecular Formula	C15H10O7
Molecular Weight	302.24 g/mol
Synonyms	3,3',4',5,7-Pentahydroxyflavone; Sophoretin; Meletin; Quercetol; Quercitin; Xanthaurine; 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one; Cyanidenolon 1522
EINECS	204-187-1

Quality Control

Our Quercetin is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets stringent specifications for high-grade applications. Certificates of Analysis (COA) documenting purity, heavy metals, residual solvents, and microbiological limits are available upon request. We support compliance with cGMP, ISO, and relevant FCC/ USP guidelines where applicable.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its light-sensitive and easily oxidized nature, prolonged exposure to light, air, or elevated temperatures should be avoided to maintain stability and potency.

Specification

Item	Specification
Appearance	Yellow to greenish-yellow crystalline powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥95.0%
Loss on Drying	≤1.0%
Residue on Ignition (Sulfated Ash)	≤0.5%
Heavy Metals (as Pb)	≤10 ppm
Arsenic (As)	≤3 ppm
Total Plate Count	≤1000 CFU/g
Yeast & Mold	≤100 CFU/g

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