Description

(-)-2-(3,4-Dihydro-5-Hydroxy-7-Methoxy-6,8-Dimethyl-4-Oxo-2H-1-Benzopyran-2-Yl)-5-Methoxy-2,5-Cyclohexadiene-1,4-Dione is a high-purity, optically active benzopyran derivative with a complex quinone structure. This compound serves as a critical chiral intermediate and building block in advanced organic synthesis, particularly for the development of novel pharmaceuticals and bioactive molecules. It is essential for research and development laboratories, fine chemical manufacturers, and pharmaceutical companies focused on creating new therapeutic agents, especially in areas requiring specific stereochemistry.

Application

• Pharmaceutical Intermediate: Key chiral precursor in the synthesis of novel drug candidates, particularly for cardiovascular, anti-inflammatory, or anticancer research.
• Fine Chemical Synthesis: Used as a specialized building block for constructing complex natural product analogs and other high-value organic compounds.
• Biochemical Research: Employed in studies investigating enzyme inhibitors, receptor ligands, and other biologically active molecules due to its specific stereochemistry and functional groups.
• Material Science Research: Potential precursor for developing advanced organic electronic materials or chiral catalysts.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method development in pharmaceutical analysis.

Basic Information

Product Name	(-)-2-(3,4-Dihydro-5-Hydroxy-7-Methoxy-6,8-Dimethyl-4-Oxo-2H-1-Benzopyran-2-Yl)-5-Methoxy-2,5-Cyclohexadiene-1,4-Dione
CAS No.	41093-66-7
Molecular Formula	C20H20O8
Molecular Weight	388.37 g/mol
Synonyms	(-)-2-(3,4-Dihydro-5-hydroxy-7-methoxy-6,8-dimethyl-4-oxo-2H-1-benzopyran-2-yl)-5-methoxy-1,4-benzoquinone; 2-(5-Hydroxy-7-methoxy-6,8-dimethyl-4-oxochroman-2-yl)-5-methoxycyclohexa-2,5-diene-1,4-dione; (2S)-2-(3,4-Dihydro-5-hydroxy-7-methoxy-6,8-dimethyl-4-oxo-2H-1-benzopyran-2-yl)-5-methoxy-2,5-cyclohexadiene-1,4-dione; L-Compound 41093-66-7; Chiral Benzopyran Quinone Derivative
EINECS	Contact for details

Quality Control

Our (-)-2-(3,4-Dihydro-5-Hydroxy-7-Methoxy-6,8-Dimethyl-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 analysis by HPLC, to ensure consistent identity, purity, and stereochemical integrity. Certificates of Analysis (COA) with detailed chromatographic data are provided for every shipment. We support compliance with cGMP and ICH guidelines for pharmaceutical intermediates.

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 and should be stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep container tightly sealed when not in use to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 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.