Description

Cyclopentanecarboxaldehyde, 2-Acetyl- (9Ci) is a specialized organic compound featuring both aldehyde and ketone functional groups on a cyclopentane ring, making it a versatile chiral building block. This molecular structure is highly valuable for synthesizing complex molecules, particularly in the pharmaceutical and fine chemical industries. It is primarily sought after by R&D chemists and process development scientists for applications in asymmetric synthesis, fragrance development, and the creation of novel agrochemical intermediates. The compound, CAS NO 137846-66-3, is supplied to meet the stringent purity requirements of advanced research and commercial-scale production.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), especially those requiring complex stereocenters.
• Asymmetric Catalyst Ligand Precursor: Used in the development of novel ligands for metal-catalyzed asymmetric reactions.
• Fragrance and Flavor Chemistry: Serves as a building block for creating unique musk-like or woody aroma molecules.
• Agrochemical Research: Employed in the synthesis of novel herbicides, fungicides, and plant growth regulators.
• Material Science: A monomer or cross-linking agent precursor for specialty polymers with specific thermal or optical properties.
• Academic and Industrial R&D: A valuable reagent for methodological development in organic synthesis and chemical biology.

Basic Information

Product Name	Cyclopentanecarboxaldehyde, 2-Acetyl- (9Ci)
CAS No.	137846-66-3
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	2-Acetylcyclopentanecarboxaldehyde; 2-Acetylcyclopentane-1-carbaldehyde; 1-Formyl-2-acetylcyclopentane; 2-Acetyl-1-cyclopentanecarboxaldehyde; 2-Acetylcyclopentane-1-carboxaldehyde; 2-Acetyl-1-formylcyclopentane; (2-Acetylcyclopentyl)methanal
EINECS	Contact for details

Quality Control

Our Cyclopentanecarboxaldehyde, 2-Acetyl- (9Ci) is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment ensures the material meets the high standards required for research and commercial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended long-term storage temperature is 2-8°C. This compound is easily oxidized and should be handled under inert conditions to maintain 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%

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