Description

Cinnamtannin A2 is a specific proanthocyanidin compound, a type of condensed tannin, identified by the CAS registry number 86631-38-1. This high-purity phytochemical is valued for its potent antioxidant and bioactive properties, making it a critical reference standard and active ingredient for research and development. It is primarily sought by manufacturers and researchers in the pharmaceutical, nutraceutical, and cosmeceutical industries.

Application

• Pharmaceutical Reference Standard: Used as a certified reference material (CRM) for the quality control and quantification of proanthocyanidins in herbal extracts and finished products.
• Nutraceutical Formulations: Incorporated into dietary supplements for its strong antioxidant capacity, supporting research into cellular health and wellness.
• Cosmetic Actives: Serves as a key ingredient in advanced skincare formulations targeting anti-aging, UV protection, and skin barrier enhancement.
• Biochemical Research: Utilized in in vitro and in vivo studies to investigate mechanisms related to inflammation, metabolic health, and oxidative stress.
• Natural Product Standardization: Essential for standardizing complex botanical extracts, such as cinnamon bark extract, ensuring batch-to-batch consistency and efficacy.

Basic Information

Product Name	Cinnamtannin A2
CAS No.	86631-38-1
Molecular Formula	C45H36O18
Molecular Weight	864.76 g/mol
Synonyms	Cinnamtannin A2; Procyanidin C1; Epicatechin-(4β→8,2β→O→7)-epicatechin-(4β→8)-epicatechin; Epicatechin trimer; Proanthocyanidin C1; Procyanidin trimer C1; [4,8,2-O-7]-Trimeric procyanidin
EINECS	Contact for details

Quality Control

Our Cinnamtannin A2 is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity verification and identity confirmation by spectroscopic methods. We provide full traceability and Certificates of Analysis (COA) are available for every shipment, detailing all critical quality attributes to ensure compliance with your research or manufacturing specifications.

Storage

Preserve in a tightly closed container, protected from light. Store at 2-8°C under inert atmosphere for long-term stability. This product is easily oxidized and light-sensitive; handle under controlled conditions to preserve integrity.

Specification

Item	Specification
Appearance	Light brown to brown 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%
Heavy Metals	≤20 ppm

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