Description

Quercetin 3-Sulfate Potassium Salt is a water-soluble, sulfated derivative of the flavonoid quercetin, offering enhanced bioavailability and stability. This compound is valued for its potent antioxidant and anti-inflammatory properties, making it a critical intermediate for advanced research and product development. It is primarily sought by manufacturers in the nutraceutical, pharmaceutical, and cosmeceutical industries for formulating high-performance dietary supplements, functional foods, and topical applications.

Application

• Nutraceutical & Dietary Supplements: Key bioactive ingredient for antioxidant, anti-inflammatory, and metabolic health formulations.
• Pharmaceutical Research: Valuable reference standard and intermediate in the development of novel therapeutic agents targeting oxidative stress and inflammation.
• Functional Food & Beverage Fortification: Used to enhance the nutritional profile of health-focused products due to its improved solubility.
• Cosmeceuticals & Skincare: Incorporated into serums and creams for its protective effects against environmental skin damage.
• Biochemical Research: Essential tool for studying flavonoid metabolism, sulfation pathways, and cellular signaling mechanisms.
• Veterinary Supplements: Applied in advanced animal health products for companion and livestock wellness.

Basic Information

Product Name	Quercetin 3-Sulfate Potassium Salt
CAS No.	121241-74-5
Molecular Formula	C15H9KO10S
Molecular Weight	444.39 g/mol
Synonyms	Quercetin 3-O-Sulfate Potassium Salt; Potassium Quercetin Sulfate; 3'-Sulfoxyquercetin Potassium Salt; Quercetin Sulfate K+ Salt; Quercetin 3-Sulphate Potassium; 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4-oxo-4H-chromen-3-yl hydrogen sulfate potassium salt; Flavonoid sulfate derivative
EINECS	Contact for details

Quality Control

Every batch of Quercetin 3-Sulfate Potassium Salt is manufactured and tested under strict quality management systems. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles to ensure compliance with your research and production specifications. Our quality commitment supports applications requiring high-purity reference standards and active ingredients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a desiccated environment to maintain stability and purity.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥95.0%
Water Content (KF)	≤5.0%
Heavy Metals	≤20 ppm
Residual Solvents	Complies with ICH guidelines
Microbial Limits	Meets standard specifications

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