Description

Polygalaxanthone Iii is a specialized xanthone derivative, a class of compounds known for their significant biological activity and structural complexity. This high-purity compound is valued for its role as a critical reference standard and research chemical in advanced pharmaceutical and biochemical studies. It is primarily sought by R&D laboratories, academic institutions, and fine chemical manufacturers engaged in drug discovery, phytochemical analysis, and the development of novel bioactive agents.

Application

• Pharmaceutical Reference Standard: Used for the qualitative and quantitative analysis of herbal extracts and pharmaceutical formulations in quality control laboratories.
• Biochemical Research: Serves as a key intermediate or target molecule in studies investigating the structure-activity relationships (SAR) of xanthone-based therapeutics.
• Natural Product Isolation & Identification: Acts as a critical benchmark in HPLC, LC-MS, and NMR for the identification and purification of xanthones from complex natural matrices.
• Academic Research: Utilized in university and institutional labs for fundamental research into the pharmacological properties of plant-derived compounds, such as antioxidant or anti-inflammatory effects.
• Fine Chemical Synthesis: Employed as a building block or precursor in the multi-step synthesis of more complex, high-value specialty chemicals for the life sciences sector.

Basic Information

Product Name	Polygalaxanthone Iii
CAS No.	162857-78-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Polygalaxanthone III; 1,3,6-Trihydroxy-2,5,7-trimethoxyxanthone; 2,5,7-Trimethoxy-1,3,6-trihydroxyxanthone; Polygalaxanthone 3; Polygalaxanthone-3; Xanthone derivative from Polygala tenuifolia
EINECS	Contact for details

Quality Control

Our Polygalaxanthone Iii is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is subjected to comprehensive analytical testing, including chromatographic and spectroscopic methods, to confirm identity and potency. A Certificate of Analysis (COA) detailing purity, assay results, and related substance profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%

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