Description

Cyclopentanecarboxaldehyde, 2-Ethyl-3-Oxo- (9Ci) CAS NO 116511-19-4 is a specialized organic compound featuring a cyclopentane ring substituted with an aldehyde and a keto-ethyl group. This unique structure makes it a valuable high-purity intermediate for synthesizing complex molecules in advanced research and development. It is primarily needed by pharmaceutical and fine chemical industries for the production of active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of proprietary drug candidates and active pharmaceutical ingredients (APIs).
• Fine Chemical Synthesis: Used in the research and production of complex organic molecules, including flavors, fragrances, and agrochemicals.
• Academic & Industrial R&D: Serves as a critical reagent in method development and exploratory chemistry for novel compound libraries.
• Material Science Precursor: Potential use in the development of specialty polymers and advanced organic materials.

Basic Information

Product Name	Cyclopentanecarboxaldehyde, 2-Ethyl-3-Oxo- (9Ci)
CAS No.	116511-19-4
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	2-Ethyl-3-oxocyclopentanecarboxaldehyde; 2-Ethyl-3-oxocyclopentanecarbaldehyde; 1-Cyclopentanecarboxaldehyde, 2-ethyl-3-oxo-; 2-Ethyl-3-oxo-1-cyclopentanecarbaldehyde; 116511-19-4 (CAS)
EINECS	Contact for details

Quality Control

Our Cyclopentanecarboxaldehyde, 2-Ethyl-3-Oxo- (9Ci) is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting full specifications are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound is easily oxidized and should be handled and stored under an inert atmosphere (e.g., nitrogen) for long-term stability. Keep away from strong oxidizing agents.

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.