Description

(2R-Trans)-2-(3,4-Dihydroxyphenyl)-3-(Heptyloxy)-3,4-Dihydro-2H-1-Benzopyran-5,7-Diol is a high-purity, stereochemically defined flavan derivative of significant interest in advanced research and development. This compound matters for its potential as a key synthetic intermediate or reference standard in the study of polyphenolic antioxidants and their biological activities. It is primarily needed by pharmaceutical R&D laboratories, nutraceutical ingredient manufacturers, and academic institutions focused on medicinal chemistry and natural product synthesis.

Application

• Pharmaceutical Research Intermediate: Serves as a critical building block for the synthesis of novel flavonoid-based drug candidates targeting oxidative stress and inflammation.
• Reference Standard for Analytical Methods: Used in HPLC, LC-MS, and NMR for method development, validation, and quality control of complex natural product extracts.
• Nutraceutical Ingredient Development: Investigated for incorporation into advanced dietary supplements due to its defined antioxidant flavan structure.
• Biochemical Research: Employed in in-vitro studies to elucidate structure-activity relationships (SAR) of polyphenols and their interaction with biological systems.
• Cosmeceutical Actives: Explored as a potential active ingredient in high-end skincare formulations for its antioxidant properties.

Basic Information

Product Name	(2R-Trans)-2-(3,4-Dihydroxyphenyl)-3-(Heptyloxy)-3,4-Dihydro-2H-1-Benzopyran-5,7-Diol
CAS No.	71628-07-4
Molecular Formula	C22H28O6
Molecular Weight	388.46 g/mol
Synonyms	(2R-trans)-3-Heptyloxy-2-(3,4-dihydroxyphenyl)-3,4-dihydro-5,7-dihydroxy-2H-1-benzopyran; 3-Heptyloxy-5,7,3',4'-tetrahydroxyflavan; 3-O-Heptyl-(+)-catechin; Heptyl catechin derivative; Flavan-3-ol heptyl ether; 2H-1-Benzopyran-5,7-diol, 2-(3,4-dihydroxyphenyl)-3,4-dihydro-3-(heptyloxy)-, (2R-trans)-; (2R,3S)-3-(Heptyloxy)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-chromene-5,7-diol
EINECS	Contact for details

Quality Control

Our (2R-Trans)-2-(3,4-Dihydroxyphenyl)-3-(Heptyloxy)-3,4-Dihydro-2H-1-Benzopyran-5,7-Diol is produced under strict quality management systems. Each batch undergoes comprehensive analytical characterization including HPLC for purity, chiral analysis for stereochemical confirmation, and NMR/IR for structural identity. Certificates of Analysis (COA) detailing all specifications and test results are provided and available upon request to ensure full traceability and compliance with your research or development protocols.

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 (store under inert atmosphere) and light-sensitive (store away from light). For long-term storage, consider storage under an inert gas such as argon or nitrogen.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Chiral Purity	≥ 98.0% (2R,3S)
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.2%

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