Description

[S,(-)]-3,4-Dihydro-3-(3-Hydroxy-2,4-Dimethoxyphenyl)-2H-1-Benzopyran-7-Ol is a high-purity chiral flavan derivative of significant interest in advanced organic synthesis and pharmaceutical research. This compound matters as a key chiral building block and potential pharmacophore for developing novel therapeutic agents, offering precise stereochemical control. It is primarily needed by research institutions and pharmaceutical companies engaged in the development of new drugs, particularly in areas like oncology, neurology, and anti-inflammatory therapies.

Application

• Pharmaceutical Intermediate: Serves as a critical chiral precursor in the synthesis of novel drug candidates targeting specific biological pathways.
• Biochemical Research: Used as a reference standard or probe in enzymatic studies and receptor binding assays due to its specific stereochemistry.
• Natural Product Synthesis: Acts as a key intermediate in the total or semi-synthesis of complex natural products with flavan or chromane skeletons.
• Asymmetric Catalysis Development: Employed as a substrate or ligand precursor for testing and developing new asymmetric catalytic systems.
• Nutraceutical Research: Investigated for potential bioactive properties in the development of advanced dietary supplements.

Basic Information

Product Name	[S,(-)]-3,4-Dihydro-3-(3-Hydroxy-2,4-Dimethoxyphenyl)-2H-1-Benzopyran-7-Ol
CAS No.	20878-97-1
Molecular Formula	C17H18O5
Molecular Weight	302.32 g/mol
Synonyms	(S)-(-)-7-Hydroxy-3-(3-hydroxy-2,4-dimethoxyphenyl)chroman; (-)-7-Hydroxy-3-(3-hydroxy-2,4-dimethoxyphenyl)-3,4-dihydro-2H-1-benzopyran; (S)-3,4-Dihydro-3-(3-hydroxy-2,4-dimethoxyphenyl)-2H-1-benzopyran-7-ol; Levorotatory flavan derivative; (S)-Flavan-7-ol derivative; 20878-97-1; (2S)-3-(3-Hydroxy-2,4-dimethoxyphenyl)-3,4-dihydro-2H-1-benzopyran-7-ol
EINECS	Contact for details

Quality Control

Our [S,(-)]-3,4-Dihydro-3-(3-Hydroxy-2,4-Dimethoxyphenyl)-2H-1-Benzopyran-7-Ol is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity verification by HPLC, to ensure compliance with research-grade standards. Certificates of Analysis (COA) detailing identity, purity, and chiral excess are available upon request to support your critical R&D and regulatory documentation needs.

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 product is easily oxidized and should be handled under an inert atmosphere such as nitrogen or argon for long-term storage to maintain stability and purity. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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