Description

1H-2-Benzopyran-1-One,3-[(2R,3S)-3-Ethyloxiranyl]-,Rel-(9Ci) CAS NO 658707-12-1 is a high-purity, optically active benzopyran derivative featuring a chiral oxiranyl substituent, serving as a critical chiral building block and synthetic intermediate. Its precise stereochemistry and functional groups make it invaluable for constructing complex molecular architectures with defined three-dimensional configurations. This compound is primarily sought by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs), agrochemicals, and advanced materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the asymmetric synthesis of potential drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of novel, stereospecific pesticides and herbicides where biological activity is enantiomer-dependent.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex heterocyclic compounds and natural product analogs.
• Material Science Precursor: Investigated for the synthesis of specialized polymers and liquid crystals with tailored optical properties.
• Catalyst and Ligand Development: Serves as a precursor for novel chiral ligands and organocatalysts used in enantioselective transformations.

Basic Information

Product Name	1H-2-Benzopyran-1-One,3-[(2R,3S)-3-Ethyloxiranyl]-,Rel-(9Ci)
CAS No.	658707-12-1
Molecular Formula	C13H14O3
Molecular Weight	218.25 g/mol
Synonyms	3-[(2R,3S)-3-Ethyloxiranyl]-1H-2-benzopyran-1-one, rel-; (rel)-(2R,3S)-3-Ethyl-3-(1-oxo-1H-isochromen-3-yl)oxirane; 3-[(2R,3S)-3-Ethyloxiran-2-yl]-1H-isochromen-1-one; 1H-2-Benzopyran-1-one, 3-[(2R,3S)-3-ethyloxiranyl]-, rel-; 658707-12-1; Chiral Benzopyran Oxirane Derivative; Ethyloxiranyl Benzopyranone
EINECS	Contact for details

Quality Control

Our production of 1H-2-Benzopyran-1-One,3-[(2R,3S)-3-Ethyloxiranyl]-,Rel-(9Ci) adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical characterization, including chiral purity verification, to ensure it meets the exacting standards required for advanced synthetic applications. Certificates of Analysis (COA) detailing identity, purity, enantiomeric excess, and impurity profiles are provided with every shipment.

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 sensitive to moisture and should be handled under an inert atmosphere for long-term storage to preserve 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%
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.