Description

3-Cyclopentyl-3,9-diazaspiro[5.5]undecane is a high-value, nitrogen-containing spirocyclic compound that serves as a sophisticated building block in advanced organic synthesis. Its unique bridged bicyclic structure makes it a critical intermediate for developing novel active pharmaceutical ingredients (APIs) and fine chemicals. This compound is primarily sought by research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries for creating new molecules with targeted biological or material properties.

Application

• Pharmaceutical Intermediate: A key scaffold for the synthesis of central nervous system (CNS) active drugs, receptor modulators, and other therapeutic candidates.
• Agrochemical Research: Used in developing new generations of herbicides, fungicides, and insecticides with novel modes of action.
• Ligand & Catalyst Development: Serves as a precursor for creating complex chelating ligands used in asymmetric catalysis and metal complexation.
• Chemical Biology Probe Synthesis: Employed in constructing molecular probes for studying enzyme function and biological pathways.
• Material Science Research: Investigated as a monomer or additive for creating polymers with specific thermal or mechanical properties.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthesis projects.

Basic Information

Product Name	3-Cyclopentyl-3,9-diazaspiro[5.5]undecane
CAS No.	873433-57-9
Molecular Formula	C14H26N2
Molecular Weight	222.37 g/mol
Synonyms	3-Cyclopentyl-3,9-diazaspiro[5.5]undecane; 3,9-Diazaspiro[5.5]undecane, 3-cyclopentyl-; 3-Cyclopentyl-3,9-diaza-spiro[5.5]undecane; Spiro[5.5]undecane, 3-cyclopentyl-3,9-diaza-; 873433-57-9; 3-Cyclopentyl-3,9-diazaspiro[5.5]undecane (CAS 873433-57-9)
EINECS	Contact for details

Quality Control

Our 3-Cyclopentyl-3,9-diazaspiro[5.5]undecane is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment. We support cGMP (current Good Manufacturing Practice) standards for pharmaceutical applications upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Residual Solvents (GC)	Meets ICH Q3C guidelines
Water Content (KF)	≤ 0.5%

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