Description

Ethanone, 1-(2,3,4,5-Tetrahydro-3A(1H)-Pentalenyl)- (9Ci) is a specialized organic ketone featuring a fused bicyclic pentalene structure, offering unique steric and electronic properties. This compound serves as a valuable high-purity chemical intermediate for the synthesis of complex molecules in advanced research and development. It is primarily sought by pharmaceutical, agrochemical, and advanced material scientists for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) or cardiovascular targets.
• Agrochemical Research: Used in developing new generations of herbicides, fungicides, or insecticides that require specific, complex molecular backbones.
• Material Science: Serves as a precursor for organic ligands in catalysis or for creating monomers with unique polymer properties.
• Organic Synthesis & Methodology: Employed in academic and industrial R&D to explore new chemical reactions and pathways due to its constrained, polycyclic framework.
• Fine Chemical Production: Acts as a critical intermediate in the multi-step synthesis of specialty chemicals and flavors & fragrances.

Basic Information

Product Name	Ethanone, 1-(2,3,4,5-Tetrahydro-3A(1H)-Pentalenyl)- (9Ci)
CAS No.	85774-80-7
Molecular Formula	C11H16O
Molecular Weight	164.24 g/mol
Synonyms	1-(2,3,4,5-Tetrahydro-3aH-pentalen-3a-yl)ethan-1-one; 3a-Acetyl-2,3,4,5-tetrahydro-3aH-pentalene; 1-(Octahydro-1H-inden-1-yl)ethanone (related isomer); Bicyclo[3.3.0]octan-3-yl methyl ketone derivative; Tetrahydroindanyl methyl ketone derivative
EINECS	Contact for details

Quality Control

We supply Ethanone, 1-(2,3,4,5-Tetrahydro-3A(1H)-Pentalenyl)- (9Ci) in high-purity grades suitable for research and industrial synthesis. Our products undergo rigorous quality testing to ensure batch-to-batch consistency and compliance with customer specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment. We adhere to a cGMP-compliant quality management system for traceability and reliability.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
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.