Description

Cyclopentyl Acetaldehyde CAS NO 5623-81-4 is a versatile aliphatic aldehyde characterized by its cyclopentyl ring structure, offering a unique blend of reactivity and specific organoleptic properties. This compound is valued for its role as a key chiral intermediate and flavor/fragrance ingredient in high-value synthesis. It is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and specialty chemical sectors seeking to develop novel compounds or enhance product profiles.

Application

• Pharmaceutical Intermediate: Serves as a critical building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring chiral centers or specific aldehyde functionality.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators where its structural motif contributes to biological activity.
• Flavor & Fragrance Industry: Imparts green, fruity, or woody notes and is utilized in the creation of sophisticated aroma chemicals and perfumery compounds.
• Organic Synthesis: Acts as a versatile reagent in various organic transformations, including Grignard reactions, reductive amination, and aldol condensations.
• Ligand and Catalyst Development: Employed in the research and production of specialized ligands for asymmetric catalysis and metal-organic frameworks.
• Polymer Modification: Functions as a monomer or cross-linking agent in the synthesis of specialty polymers with tailored properties.

Basic Information

Product Name	Cyclopentyl Acetaldehyde
CAS No.	5623-81-4
Molecular Formula	C7H12O
Molecular Weight	112.17 g/mol
Synonyms	Cyclopentanecarboxaldehyde; 2-Cyclopentylethanal; Cyclopentylacetaldehyde; 2-Cyclopentylacetaldehyde; Cyclopentaneacetaldehyde; (Cyclopentyl)acetaldehyde; 2-Cyclopentyl-1-ethanal
EINECS	227-055-5

Quality Control

Our Cyclopentyl Acetaldehyde is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our facility adheres to cGMP guidelines where applicable, ensuring reliability for critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at temperatures between 2°C and 8°C (refrigerated) for long-term stability, as the product is easily oxidized and light-sensitive. For short-term use, storage at controlled room temperature (15-25°C) is acceptable if the container remains unopened and is used promptly. Keep away from heat, sparks, open flames, and strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.4380 - 1.4420
Specific Gravity (20/20°C)	0.910 - 0.930

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