Description

1H-2-Benzopyran-1-One,3-[(2R,3S)-3-Ethyloxiranyl]-(9Ci) is a high-purity, chiral organic compound featuring a benzopyranone core fused with an ethyl-substituted oxirane ring, making it a valuable synthetic intermediate. This compound is critical for applications requiring precise stereochemistry and high chemical purity, particularly in advanced pharmaceutical synthesis. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of active pharmaceutical ingredients (APIs), especially those targeting central nervous system (CNS) disorders or with complex stereochemical requirements.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, where the oxirane moiety can impart specific biological activity.
• Fine Chemical Production: Serves as a precursor in the manufacture of specialty chemicals, flavors, and fragrances that demand high enantiomeric purity.
• Academic & Industrial Research: Employed in methodological studies and catalysis research for developing new asymmetric synthesis routes and ring-opening reactions.
• Material Science Precursor: Investigated for the development of advanced organic materials, such as liquid crystals or photoresists, where its rigid structure is beneficial.

Basic Information

Product Name	1H-2-Benzopyran-1-One,3-[(2R,3S)-3-Ethyloxiranyl]-(9Ci)
CAS No.	653597-74-1
Molecular Formula	C13H14O3
Molecular Weight	218.25 g/mol
Synonyms	3-[(2R,3S)-3-Ethyloxiranyl]-1H-2-benzopyran-1-one; (2R,3S)-3-Ethyl-3-(1-oxo-1H-isochromen-3-yl)oxirane; 3-((2R,3S)-3-Ethyloxiran-2-yl)-1H-isochromen-1-one; 653597-74-1; 3-(3-Ethyloxiran-2-yl)-1H-isochromen-1-one (stereoisomer); Chiral Benzopyranone Oxirane Derivative
EINECS	Contact for details

Quality Control

Our 1H-2-Benzopyran-1-One,3-[(2R,3S)-3-Ethyloxiranyl]-(9Ci) is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chiral HPLC for enantiomeric excess (ee) determination, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided and available upon request to support your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This compound may be light-sensitive and should be handled under an inert atmosphere for long-term storage to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Melting Point	Contact for details
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.