Description

Regaloside K CAS NO 138772-00-6 is a high-purity, specialized phytochemical compound belonging to the class of stilbene glycosides. This compound is of significant interest for its role as a key analytical reference standard and a potential bioactive ingredient in advanced research and development. It is primarily sought after by professionals in the pharmaceutical, nutraceutical, and cosmetic industries who require reliable, well-characterized materials for quality control, method validation, and novel product formulation.

Application

• Pharmaceutical Reference Standard: Used for the identification, assay, and impurity profiling of related drug substances and botanical extracts in compliance with pharmacopeial methods (e.g., USP, EP).
• Bioactivity and Mechanism Studies: Serves as a critical tool in preclinical research to investigate potential antioxidant, anti-inflammatory, or other pharmacological properties.
• Nutraceutical Ingredient Standardization: Employed to standardize and quantify the active constituent content in complex botanical dietary supplements, ensuring product consistency and efficacy.
• Cosmetic R&D: Investigated for incorporation into high-end skincare formulations targeting skin vitality and protection due to its phytochemical nature.
• Academic and Institutional Research: Provides a pure compound for university and contract research organization (CRO) studies in natural product chemistry and biochemistry.
• Quality Control Laboratories: Essential for developing and validating analytical methods such as HPLC, LC-MS, and TLC for raw material and finished product testing.

Basic Information

Product Name	Regaloside K
CAS No.	138772-00-6
Molecular Formula	C20H22O9
Molecular Weight	406.38 g/mol
Synonyms	3,5-Dimethoxy-4'-O-β-D-glucopyranosylstilbene; 4-[(E)-2-(3,5-Dimethoxyphenyl)ethenyl]phenyl β-D-glucopyranoside; Rhaponticin isomer; Stilbene glucoside; (E)-3,5-Dimethoxy-4'-O-β-D-glucopyranosylstilbene; 138772-00-6; Regaloside K
EINECS	Contact for details

Quality Control

Every batch of Regaloside K is produced and controlled under a strict quality management system. We provide comprehensive analytical documentation, including a Certificate of Analysis (COA) detailing purity, identity, and impurity profiles as determined by advanced chromatographic and spectroscopic techniques. Our quality commitment ensures the material is suitable for use as a reference standard in regulated environments, supporting compliance with cGMP and ISO 9001 standards where applicable.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry environment. For long-term storage, consider storing under inert atmosphere at -20°C to maximize stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Water Content (KF)	≤2.0%
Residue on Ignition	≤0.1%
Heavy Metals	≤10 ppm
Related Substances (HPLC)	Individual impurity ≤0.5%; Total impurities ≤2.0%

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