Description

Cyclopentanecarboxylic Acid, 1-(Cyanomethyl)- (9Ci) is a versatile, high-purity chemical intermediate characterized by its cyclopentane backbone functionalized with both carboxylic acid and cyanomethyl groups. This unique bifunctional structure makes it a valuable synthon for constructing complex molecular architectures in advanced pharmaceutical and agrochemical research. It is particularly sought after by R&D chemists and process development scientists in the fine chemical and life sciences industries for applications requiring precise stereochemistry and functional group manipulation. The compound, identified by CAS number 220878-55-7, is supplied under stringent quality controls to ensure batch-to-batch consistency for critical synthetic pathways.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), especially those containing constrained ring systems.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Development: Serves as a precursor for chiral ligands and organocatalysts used in asymmetric synthesis.
• Material Science Research: Employed in the creation of specialty polymers and advanced organic materials with tailored properties.
• Chemical Biology Probes: Useful for synthesizing molecular probes and inhibitors for studying enzymatic activity and biological pathways.
• Custom Synthesis and Contract Manufacturing: A critical starting material for custom synthesis projects and scale-up processes in CDMO (Contract Development and Manufacturing Organization) facilities.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 1-(Cyanomethyl)- (9Ci)
CAS No.	220878-55-7
Molecular Formula	C8H11NO2
Molecular Weight	153.18 g/mol
Synonyms	1-(Cyanomethyl)cyclopentanecarboxylic Acid; 1-Cyanomethyl-cyclopentanecarboxylic acid; Cyclopentanecarboxylic acid, 1-(cyanomethyl)-; (1-Cyanomethyl-cyclopentyl)-carboxylic acid; 1-Carboxy-1-cyclopentylacetonitrile; 1-Cyclopentyl-1-cyanoacetic acid
EINECS	Contact for details

Quality Control

Every batch of Cyclopentanecarboxylic Acid, 1-(Cyanomethyl)- (9Ci) is manufactured and tested under a cGMP-compliant quality management system. Our products undergo rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency meet the exacting standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing all test results and specifications is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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