Description

3,5-Di-o-Caffeoylquinic Methyl Ester is a specialized caffeoylquinic acid derivative, a class of compounds recognized for their significant bioactive properties. This high-purity reference standard is critical for research and development in the pharmaceutical and nutraceutical sectors, where precise chemical characterization is paramount. It is primarily utilized by scientists and quality control professionals in analytical chemistry, natural product isolation, and the development of standardized botanical extracts.

Application

• Pharmaceutical Reference Standard: Serves as a certified high-purity compound for analytical method development, validation, and quality control of complex botanical drug substances and finished products.
• Natural Product Research: Used as a key marker compound in the isolation, identification, and quantification of bioactive constituents from plant sources like artichoke, echinacea, and other medicinal herbs.
• Nutraceutical & Dietary Supplement Standardization: Essential for the assay and standardization of commercial extracts to ensure consistent potency, efficacy, and label claim verification.
• Bioactivity & Mechanism Studies: Employed in in vitro and in vivo research to investigate potential antioxidant, anti-inflammatory, hepatoprotective, and metabolic health benefits.
• Cosmeceutical Ingredient Analysis: Acts as an analytical standard for quality control in skincare formulations that utilize plant-derived antioxidants.

Basic Information

Product Name	3,5-Di-o-Caffeoylquinic Methyl Ester
CAS No.	159934-13-1
Molecular Formula	C26H26O12
Molecular Weight	530.48 g/mol
Synonyms	3,5-Di-O-caffeoylquinic acid methyl ester; Methyl 3,5-di-O-caffeoylquinate; 3,5-Dicaffeoylquinic acid methyl ester; 1,3,5-Tricaffeoylquinic acid methyl ester (common misnomer); Cynarin methyl ester; 3,5-Di-O-caffeoyl-1-quinic acid methyl ester; 3,5-Bis-O-(3,4-dihydroxycinnamoyl)quinic acid methyl ester
EINECS	Contact for details

Quality Control

Every batch of our 3,5-Di-o-Caffeoylquinic Methyl Ester is manufactured under a strict quality management system and undergoes comprehensive analytical testing. We provide full traceability and Certificates of Analysis (COA) that detail purity, identity, and impurity profiles, typically determined by HPLC, NMR, and MS. Our quality commitment ensures the material is suitable for use as a high-grade reference standard in regulated research and development environments.

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 compound is easily oxidized; for long-term storage, consider under an inert atmosphere such as argon or nitrogen. Keep the container tightly sealed in a dry environment to minimize moisture exposure.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥95.0% (Area %)
Water Content (KF)	≤2.0%
Residue on Ignition	≤0.5%
Heavy Metals	≤20 ppm

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