Description

(2S)-4α-Ethenyl-3,4-Dihydro-2β-Hydroxy-4,10-Dimethyl-2-[(S)-3,3-Dimethyloxiranyl]-2H,5H-Pyrano[3,2-C][1]Benzopyran-5-One CAS NO 63893-02-7 is a complex, high-purity organic compound characterized by its fused pyranobenzopyranone structure with multiple chiral centers. This compound matters as a sophisticated chemical intermediate and research standard for advanced organic synthesis and pharmaceutical development. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, fine chemical, and academic research sectors for creating novel molecular entities.

Application

• Pharmaceutical Intermediate: A key chiral building block in the synthesis of complex active pharmaceutical ingredients (APIs), particularly for candidates with fused polycyclic structures.
• Organic Synthesis Research: Used in advanced methodological studies, such as cycloaddition reactions, stereoselective synthesis, and the construction of complex natural product analogs.
• Reference Standard: Serves as a high-purity analytical standard for method development and quality control in laboratories characterizing similar complex molecules.
• Fine Chemical Production: Employed in the multi-step synthesis of specialty chemicals, fragrances, and advanced materials requiring precise stereochemistry.
• Academic & Institutional Research: A valuable compound for universities and research institutes studying reaction mechanisms, catalysis, and molecular design.

Basic Information

Product Name	(2S)-4α-Ethenyl-3,4-Dihydro-2β-Hydroxy-4,10-Dimethyl-2-[(S)-3,3-Dimethyloxiranyl]-2H,5H-Pyrano[3,2-C][1]Benzopyran-5-One
CAS No.	63893-02-7
Molecular Formula	C22H26O5
Molecular Weight	370.44 g/mol
Synonyms	4α-Ethenyl-3,4-dihydro-2β-hydroxy-4,10-dimethyl-2-[(S)-3,3-dimethyloxiranyl]-2H,5H-pyrano[3,2-c][1]benzopyran-5-one; (2S,4S,10S)-4-Ethenyl-3,4-dihydro-2-hydroxy-4,10-dimethyl-2-[(S)-3,3-dimethyloxiranyl]-2H,5H-pyrano[3,2-c]chromen-5-one; NSC 339586; A complex pyranochromenone derivative.
EINECS	Contact for details

Quality Control

Our (2S)-4α-Ethenyl-3,4-Dihydro-2β-Hydroxy-4,10-Dimethyl-2-[(S)-3,3-Dimethyloxiranyl]-2H,5H-Pyrano[3,2-C][1]Benzopyran-5-One is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and chiral analysis to confirm stereochemical integrity, ensuring compliance with research and development grade standards. Comprehensive Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The compound is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Chiral Purity	≥ 98.0% ee
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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