Description

(-)-2-(3,4-Dihydro-5-Hydroxy-7-Methoxy-4-Oxo-2H-1-Benzopyran-2-Yl)-5-Methoxy-2,5-Cyclohexadiene-1,4-Dione CAS NO 41093-65-6 is a high-purity, optically active benzopyran derivative with a complex quinone structure. This compound serves as a critical chiral building block and intermediate in advanced organic synthesis, valued for its specific stereochemistry and functional groups. It is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries working on novel active ingredients and complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key chiral precursor in the synthesis of potential drug candidates, particularly those targeting specific biological pathways.
• Agrochemical Research: Used in developing novel herbicides, fungicides, or plant growth regulators with enhanced activity and selectivity.
• Fine Chemical Synthesis: Acts as a specialized building block for constructing complex natural product analogs and other high-value specialty chemicals.
• Biochemical Research: Potential use as a probe or inhibitor in enzymatic studies due to its quinone moiety and specific stereochemistry.
• Material Science: Investigated as a monomer or dopant for creating advanced organic electronic materials or polymers with specific optical properties.

Basic Information

Product Name	(-)-2-(3,4-Dihydro-5-Hydroxy-7-Methoxy-4-Oxo-2H-1-Benzopyran-2-Yl)-5-Methoxy-2,5-Cyclohexadiene-1,4-Dione
CAS No.	41093-65-6
Molecular Formula	C₁₇H₁₄O₇
Molecular Weight	330.29 g/mol
Synonyms	(-)-2-(3,4-Dihydro-5-hydroxy-7-methoxy-4-oxo-2H-1-benzopyran-2-yl)-5-methoxy-1,4-benzoquinone; (2S)-2-(5-Hydroxy-7-methoxy-4-oxo-4H-chromen-2-yl)-5-methoxycyclohexa-2,5-diene-1,4-dione; 2-(5-Hydroxy-7-methoxy-4-oxo-4H-chromen-2-yl)-5-methoxy-p-benzoquinone (enantiomer); L-Enantiomer of the benzopyran-quinone derivative. Contact for additional aliases.
EINECS	Contact for details

Quality Control

Our (-)-2-(3,4-Dihydro-5-Hydroxy-7-Methoxy-4-Oxo-2H-1-Benzopyran-2-Yl)-5-Methoxy-2,5-Cyclohexadiene-1,4-Dione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity verification by HPLC, to ensure compliance with exacting R&D and process chemistry standards. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment.

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 material is light-sensitive (store away from light). For long-term storage, consider inert atmosphere conditions to preserve stability.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% ee
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.2%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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