Description

Huzhangoside B CAS NO 94795-70-7 is a bioactive natural product belonging to the class of stilbene glycosides, isolated from the traditional medicinal plant *Polygonum cuspidatum*. This compound is of significant interest for its potential pharmacological properties, making it a valuable reference standard and research material. It is primarily sought by researchers and manufacturers in the pharmaceutical, nutraceutical, and life science sectors for drug discovery, phytochemical analysis, and the development of standardized botanical extracts.

Application

• Pharmaceutical Reference Standard: Used as a high-purity certified standard for the quality control and quantification of stilbene glycosides in herbal medicines and finished products.
• Biomedical Research: Serves as a key investigational compound in pharmacological studies targeting inflammation, oxidative stress, and metabolic disorders.
• Nutraceutical Development: Employed in the formulation and standardization of high-value botanical dietary supplements derived from *Polygonum cuspidatum* (Japanese Knotweed).
• Analytical Chemistry: Essential for method development and validation in laboratories utilizing techniques like HPLC, LC-MS, and NMR for phytochemical profiling.
• Academic Research: Used in universities and research institutes for studying the biosynthesis, structure-activity relationships, and biological mechanisms of natural products.

Basic Information

Product Name	Huzhangoside B
CAS No.	94795-70-7
Molecular Formula	C20H22O9
Molecular Weight	406.38 g/mol
Synonyms	Huzhangoside B; (E)-3,5,4'-Trihydroxystilbene-3-O-β-D-glucopyranoside; Picetannol-3-O-glucoside; 3,5,4'-Trihydroxy-trans-stilbene-3-β-D-glucopyranoside; Astringin; trans-Picetannol 3-O-β-D-glucopyranoside; Polygonum cuspidatum glycoside B
EINECS	Contact for details

Quality Control

Our Huzhangoside B is produced under strict quality management systems to ensure batch-to-batch consistency and high purity, suitable for research and development applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. While produced to meet general laboratory and research standards, specifications can be aligned with specific pharmacopeial requirements (e.g., USP reference standards) upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C for long-term stability. This product is hygroscopic (moisture-sensitive) and should be handled in a controlled environment to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%

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