Description

Catechin-(4Alpha->6)-Epicatechin is a specific proanthocyanidin dimer, a class of polyphenolic compounds widely studied for their bioactive properties. This compound is of significant interest for its role as a reference standard and as a key structural unit in more complex tannins and natural polymers. It is primarily sought by researchers and manufacturers in the nutraceutical, pharmaceutical, and cosmetic industries for product development and quality control applications.

Application

• Analytical Reference Standard: Used for the identification, purity assessment, and quantification of proanthocyanidins in complex botanical extracts via HPLC, LC-MS, or other chromatographic methods.
• Nutraceutical Research & Development: Serves as a key ingredient or model compound in the formulation of dietary supplements targeting antioxidant support, cardiovascular health, and metabolic function.
• Cosmetic Science: Incorporated into skincare formulations for its potential antioxidant and anti-aging properties, helping to protect skin from environmental stressors.
• Pharmaceutical Intermediates: Acts as a building block or precursor in the synthesis of more complex molecules for therapeutic applications.
• Food & Beverage Science: Studied for its influence on flavor, astringency, and color stability in products like tea, wine, and chocolate.
• Biochemical Research: Utilized in studies investigating the mechanisms of polyphenol absorption, metabolism, and biological activity in vitro and in vivo.

Basic Information

Product Name	Catechin-(4Alpha->6)-Epicatechin
CAS No.	12798-60-6
Molecular Formula	C30H26O12
Molecular Weight	578.52 g/mol
Synonyms	Procyanidin B3; Epicatechin-(4β→6)-epicatechin; Catechin-(4α→6)-epicatechin; Procyanidin B-3; [4,6]-Bis-Epicatechin; Epicatechin-(4→6)-epicatechin; (-)-Epicatechin-(4β→6)-(-)-epicatechin; Procyanidin dimer B3
EINECS	Contact for details

Quality Control

Our Catechin-(4Alpha->6)-Epicatechin is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, MS), to ensure it meets the high standards required for research and development. A Certificate of Analysis (COA) detailing specific results is provided with every shipment.

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 compound is easily oxidized; for optimal preservation, consider storage under an inert atmosphere such as argon or nitrogen.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 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.