Description

2,4-Diphenyl-3,4,4A,5,6,7,8,8A-Octahydro-2H-Chromene is a specialized organic compound belonging to the chromene class, valued for its complex polycyclic structure. This compound serves as a critical advanced intermediate and building block in sophisticated organic synthesis, enabling the development of novel molecular architectures. It is primarily required by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science sectors for creating new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Building block for developing novel pesticides and herbicides with complex heterocyclic cores.
• Material Science: Used in the research and development of organic electronic materials, liquid crystals, and advanced polymers.
• Catalyst Ligand Synthesis: Serves as a starting material for creating chiral ligands used in asymmetric catalysis.
• Academic & Industrial R&D: Essential for methodological studies in organic chemistry, including cycloaddition and ring-forming reactions.
• Flavor & Fragrance Chemistry: Intermediate for synthesizing complex odorants and flavor molecules with fused ring systems.

Basic Information

Product Name	2,4-Diphenyl-3,4,4A,5,6,7,8,8A-Octahydro-2H-Chromene
CAS No.	72567-24-9
Molecular Formula	C25H28O
Molecular Weight	344.49 g/mol
Synonyms	2,4-Diphenyloctahydro-2H-chromene; 2H-Chromene, 3,4,4a,5,6,7,8,8a-octahydro-2,4-diphenyl-; 2,4-Diphenyl-3,4,4a,5,6,7,8,8a-octahydro-2H-1-benzopyran; 2,4-Diphenyl-3,4,4a,5,6,7,8,8a-octahydro-2H-chromene; 2,4-Diphenyloctahydrochromene
EINECS	Contact for details

Quality Control

Our 2,4-Diphenyl-3,4,4A,5,6,7,8,8A-Octahydro-2H-Chromene is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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