Description

Cyclopentanecarbonitrile, 1-(Diethoxymethyl)- (9Ci) is a specialized organic nitrile building block featuring a protected aldehyde functionality, making it a valuable intermediate for complex organic synthesis. Its molecular architecture is designed to enable controlled reactivity in multi-step synthetic sequences, particularly in the construction of complex heterocycles and active pharmaceutical ingredients (APIs). This high-purity intermediate is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality building blocks for their synthetic workflows. CAS No. 471864-45-6.

Application

• Pharmaceutical Intermediate: A key synthon in the multi-step synthesis of novel drug candidates, particularly those containing functionalized cyclopentane or pyrrolidine cores.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides, where the nitrile and protected aldehyde groups offer versatile chemical handles.
• Organic Synthesis Building Block: Serves as a versatile precursor for constructing complex natural products, ligands, and functional materials in academic and industrial R&D laboratories.
• Chemical Research: Employed in methodological development for new C-C and C-N bond-forming reactions, leveraging its unique reactivity profile.
• Fine Chemical Production: Utilized in the pilot-scale and commercial manufacture of specialty chemicals requiring high-purity, structurally defined intermediates.

Basic Information

Product Name	Cyclopentanecarbonitrile, 1-(Diethoxymethyl)- (9Ci)
CAS No.	471864-45-6
Molecular Formula	C11H19NO2
Molecular Weight	197.27 g/mol
Synonyms	1-(Diethoxymethyl)cyclopentanecarbonitrile; Cyclopentanecarbonitrile, 1-(diethoxymethyl)-; 1-(Diethoxymethyl)cyclopentane-1-carbonitrile; (1-Cyano-1-cyclopentyl)acetaldehyde Diethyl Acetal; Acetaldehyde, (1-cyano-1-cyclopentyl)-, diethyl acetal
EINECS	Contact for details

Quality Control

Our Cyclopentanecarbonitrile, 1-(Diethoxymethyl)- (9Ci) is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP standards for pharmaceutical applications and can provide documentation to meet rigorous regulatory and audit requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). The product is moisture-sensitive (hygroscopic); keep the container tightly sealed under an inert atmosphere (e.g., nitrogen) for long-term storage to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

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