Description

(S)-3,4-Dihydro-6,7-Dimethoxy-3-(2,3,4,5-Tetramethoxyphenyl)-2H-1-Benzopyran is a high-purity chiral benzopyran derivative of significant interest in advanced organic synthesis. This compound matters as a sophisticated building block or intermediate for the research and development of novel active pharmaceutical ingredients (APIs) and other fine chemicals. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries working on complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of potential drug candidates targeting neurological or cardiovascular pathways.
• Asymmetric Synthesis: Utilized as a starting material or intermediate in catalytic asymmetric reactions to construct complex, enantiomerically pure molecules.
• Medicinal Chemistry Research: Employed in structure-activity relationship (SAR) studies and lead optimization programs due to its poly-methoxylated benzopyran scaffold.
• Reference Standard: Used as an analytical standard for method development, quality control, and regulatory filings in pharmaceutical development.
• Agrochemical Research: Investigated as an intermediate for developing novel crop protection agents with specific biological activity.
• Academic & Institutional Research: Applied in fundamental studies on natural product synthesis, chiral chemistry, and novel heterocyclic compound libraries.

Basic Information

Item	Details
Product Name	(S)-3,4-Dihydro-6,7-Dimethoxy-3-(2,3,4,5-Tetramethoxyphenyl)-2H-1-Benzopyran
CAS No.	71594-01-9
Molecular Formula	C21H26O7
Molecular Weight	390.43 g/mol
Synonyms	(S)-6,7,2',3',4',5'-Hexamethoxyflavan; (S)-3,4-Dihydro-6,7-dimethoxy-3-(2,3,4,5-tetramethoxyphenyl)-2H-1-benzopyran; (S)-Hexamethoxyflavan; Flavan, 6,7,2',3',4',5'-hexamethoxy-, (S)-; (2S)-3-(2,3,4,5-Tetramethoxyphenyl)-6,7-dimethoxy-2,3-dihydro-1-benzopyran
EINECS	Contact for details

Quality Control

Our (S)-3,4-Dihydro-6,7-Dimethoxy-3-(2,3,4,5-Tetramethoxyphenyl)-2H-1-Benzopyran is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral HPLC for enantiomeric purity, to ensure it meets the stringent requirements for research and development applications. A detailed Certificate of Analysis (COA) providing identity, purity, and impurity profile is supplied with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). The compound should be handled in a well-ventilated area, and prolonged exposure to air should be minimized to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Enantiomeric Purity (Chiral HPLC)	≥ 99.0% ee
Loss on Drying	≤ 0.5%

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