Description

Catechin-(4Alpha->6)-Catechin is a specific proanthocyanidin dimer, a class of naturally occurring polyphenolic compounds. This compound is valued for its potent antioxidant properties and serves as a key reference standard and research material. It is primarily sought by researchers and manufacturers in the nutraceutical, pharmaceutical, and cosmetic industries for product development and quality control applications.

Application

• Reference Standard: For the qualitative and quantitative analysis of proanthocyanidins in botanical extracts, foods, and beverages via HPLC or LC-MS.
• Nutraceutical Research: As a key ingredient or model compound in studies investigating antioxidant capacity, cardiovascular health, and metabolic support.
• Cosmetic Formulation: Incorporated into anti-aging and skin-protective products for its ability to neutralize free radicals and support collagen integrity.
• Pharmaceutical Development: Used in preclinical research to explore therapeutic potential in areas such as inflammation and neuroprotection.
• Food & Beverage Science: For studying the contribution of specific proanthocyanidins to flavor, color stability, and health benefits in products like tea, wine, and cocoa.
• Biochemical Assays: As a substrate or inhibitor in enzymatic studies related to oxidative stress pathways.

Basic Information

Product Name	Catechin-(4Alpha->6)-Catechin
CAS No.	12798-58-2
Molecular Formula	C30H26O12
Molecular Weight	578.52 g/mol
Synonyms	Procyanidin B3; Catechin-(4α→6)-catechin; Epicatechin-(4β→8)-catechin (isomeric); Proanthocyanidin B3; Dimeric Proanthocyanidin B3; [4,8]-Bis-(+)-catechin; (+)-Catechin-(4α→6)-(+)-catechin
EINECS	Contact for details

Quality Control

Every batch of Catechin-(4Alpha->6)-Catechin is characterized and verified to ensure identity, purity, and consistency. Our quality system is designed to meet the stringent requirements of research and development. A comprehensive Certificate of Analysis (COA) detailing purity (typically by HPLC), identification, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C or as specified on the certificate of analysis. This product is easily oxidized and light-sensitive; prolonged exposure to air, light, or elevated temperatures should be avoided to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light brown powder
Identification (HPLC)	Conforms to reference
Identification (IR)	Conforms to structure
Purity (HPLC)	≥95.0%
Water Content (KF)	≤5.0%
Residue on Ignition	≤0.5%

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