Description

Cyclopenta[B][1]Benzopyran, 2,3,3A,4A,5,6,7,8-Octahydro-, (3Ar,4Ar)-Rel- (9Ci) is a complex, stereochemically defined polycyclic organic compound that serves as a critical synthetic intermediate and scaffold in advanced chemical research. Its unique fused ring structure makes it a valuable building block for the development of novel pharmaceuticals, agrochemicals, and functional materials. This high-purity intermediate is essential for researchers and process chemists in pharmaceutical R&D, agrochemical synthesis, and specialty chemical manufacturing who require reliable, well-characterized starting materials to drive innovation.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of potential active pharmaceutical ingredients (APIs), particularly in central nervous system (CNS) and anti-inflammatory drug discovery programs.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its complex molecular architecture for bioactivity.
• Material Science Precursor: Serves as a precursor for organic semiconductors, liquid crystals, and other advanced functional materials due to its rigid, polycyclic framework.
• Catalyst & Ligand Development: Acts as a scaffold for creating novel chiral ligands and organocatalysts used in asymmetric synthesis.
• Chemical Reference Standard: Employed as an analytical standard in quality control laboratories for method development and verification in complex organic synthesis.
• Academic & Industrial R&D: A valuable tool for synthetic organic chemists exploring new reaction methodologies and constructing complex natural product analogs.

Basic Information

Product Name	Cyclopenta[B][1]Benzopyran, 2,3,3A,4A,5,6,7,8-Octahydro-, (3Ar,4Ar)-Rel- (9Ci)
CAS No.	637761-01-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	rel-(3aR,4aR)-2,3,3a,4a,5,6,7,8-Octahydrocyclopenta[b][1]benzopyran; (3aR,4aR)-rel-2,3,3a,4a,5,6,7,8-Octahydro-1H-cyclopenta[b]chromene; Octahydrocyclopenta[b]benzopyran, rel-(3aR,4aR)-; Cyclopenta[b]chromene, octahydro-, rel-(3aR,4aR)-; CAS 637761-01-4
EINECS	Contact for details

Quality Control

Our production of Cyclopenta[B][1]Benzopyran, 2,3,3A,4A,5,6,7,8-Octahydro-, (3Ar,4Ar)-Rel- (9Ci) adheres to stringent quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity assessment and structural confirmation, to ensure it meets the high standards required for research and process chemistry. Certificates of Analysis (COA) detailing purity, identity, and specific impurities are provided with every shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Any single unknown impurity	≤ 1.0%
Residual Solvents (GC)	Complies with ICH Q3C guidelines
Water Content (KF)	≤ 0.5%

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