Description

Huzhangoside D is a bioactive phytochemical compound isolated from the *Polygonum cuspidatum* plant, also known as Japanese knotweed. This compound is valued for its role as a key analytical reference standard and a potential precursor in pharmaceutical research. It is primarily utilized by research institutions, pharmaceutical developers, and manufacturers of high-purity botanical extracts who require consistent, well-characterized chemical entities for method development, quality control, and bioactivity studies.

Application

• Pharmaceutical Reference Standard: Serves as a high-purity certified standard for the identification and quantification of Huzhangoside D and related compounds in raw materials and finished products using HPLC, LC-MS, or TLC.
• Biochemical Research: Used as a tool compound in in vitro and in vivo studies to investigate its pharmacological activities, metabolic pathways, and mechanisms of action.
• Nutraceutical & Cosmetic Ingredient: Incorporated into advanced formulations for dietary supplements and skincare products, leveraging its natural origin and studied bioactive properties.
• Quality Control in Herbal Extracts: Essential for the standardization and potency verification of commercial knotweed (*Polygonum cuspidatum*) extracts, ensuring batch-to-batch consistency for manufacturers.

Basic Information

Product Name	Huzhangoside D
CAS No.	96315-53-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Huzhangoside D; Polygonumoside D; 2-O-β-D-Glucopyranosyl-4,6-dihydroxybenzoic acid methyl ester; Methyl 2-O-β-D-glucopyranosyl-4,6-dihydroxybenzoate; Japanese Knotweed Glycoside D
EINECS	Contact for details

Quality Control

Our Huzhangoside D is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, MS), to meet the exacting requirements of research and development. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality attributes.

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 should be handled in a low-humidity environment to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 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.