Description

Quercetinsulfonic Acid CAS NO 25512-46-3 is a sulfonated derivative of the flavonoid quercetin, offering enhanced water solubility and bioactivity. This compound is valued for its potent antioxidant and metal-chelating properties, making it a critical intermediate for advanced research and product development. It is primarily sought by manufacturers in the pharmaceutical, nutraceutical, and specialty chemical industries for applications requiring high-purity bioactive ingredients.

Application

• Pharmaceutical Intermediates: Used in the synthesis of novel drug candidates targeting oxidative stress and inflammation.
• Dietary Supplements & Nutraceuticals: Incorporated as a key bioactive ingredient in formulations for enhanced antioxidant support.
• Biochemical Research: Serves as a standard or reagent in studies of flavonoid metabolism, enzyme inhibition, and free radical scavenging.
• Cosmeceuticals: Utilized in advanced skincare products for its potential anti-aging and protective effects against environmental damage.
• Analytical Chemistry: Employed as a reference standard in HPLC and LC-MS methods for quality control of flavonoid-containing products.
• Food & Beverage Fortification: Explored as a natural antioxidant additive to improve the shelf-life and nutritional profile of functional foods.

Basic Information

Product Name	Quercetinsulfonic Acid
CAS No.	25512-46-3
Molecular Formula	C15H10O10S
Molecular Weight	382.30 g/mol
Synonyms	Quercetin Sulfonic Acid; Quercetin-3'-Sulfonic Acid; 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4-oxo-4H-chromene-8-sulfonic Acid; Quercetinsulfonate; Sulfonated Quercetin; Flavonoid Sulfonic Acid Derivative; 8-Sulfoquercetin
EINECS	Contact for details

Quality Control

Our Quercetinsulfonic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the stringent requirements for research and production use. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Yellow to brownish-yellow powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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