Description

4A,8A-Epoxy-2H-1-Benzopyran (9Ci) is a specialized heterocyclic organic compound featuring a fused benzopyran ring system with an epoxy bridge. This unique molecular architecture makes it a valuable advanced intermediate in fine chemical synthesis, particularly for constructing complex pharmacologically active scaffolds. It is primarily sought by research institutions and pharmaceutical R&D departments engaged in the development of novel therapeutic agents and high-value specialty chemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, especially those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Organic Synthesis Research: Serves as a versatile precursor in academic and industrial laboratories for exploring new chemical reactions and constructing complex heterocyclic frameworks.
• Agrochemical Development: Potential intermediate in the research and synthesis of new-generation pesticides or plant growth regulators.
• Material Science: Investigated as a monomer or cross-linking agent for developing specialized polymers with unique thermal or optical properties.
• Dye & Pigment Synthesis: Used in the research phase for creating novel chromophores and fluorophores due to its fused aromatic structure.

Basic Information

Product Name	4A,8A-Epoxy-2H-1-Benzopyran (9Ci)
CAS No.	126616-61-3
Molecular Formula	C9H6O2
Molecular Weight	146.14 g/mol
Synonyms	4a,8a-Epoxy-2H-1-benzopyran; 4a,8a-Epoxy-2H-chromene; 2H-1-Benzopyran, 4a,8a-epoxy-; 4a,8a-Epoxy-4a,8a-dihydro-2H-chromene; 4a,8a-Epoxy-2H-chromene (9CI); 4a,8a-Epoxy-2H-1-benzopyran (9CI)
EINECS	Contact for details

Quality Control

Our production of 4A,8A-Epoxy-2H-1-Benzopyran (9Ci) adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity for research applications. All materials are characterized using advanced analytical techniques including NMR, HPLC, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your R&D and regulatory documentation 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). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.