Description

Spiro[2.2]Pentanecarboxylic Acid, 1-Methyl-, Methyl Ester (9Ci) is a specialized spirocyclic organic compound that serves as a valuable building block in advanced chemical synthesis. Its unique constrained spiro structure makes it a critical intermediate for developing novel pharmaceuticals, agrochemicals, and functional materials. This high-purity intermediate is essential for research and development chemists and process engineers in the fine chemical and life sciences industries seeking to introduce complex, three-dimensional motifs into their target molecules.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs) with spirocyclic architectures, potentially for central nervous system (CNS) or antiviral drugs.
• Agrochemical Research: Used in developing novel herbicides, fungicides, or insecticides where the spiro structure can confer unique biological activity and stability.
• Material Science: Serves as a monomer or precursor for creating polymers and advanced materials with specific thermal or mechanical properties.
• Organic Synthesis & Catalysis: A versatile chiral synthon or ligand precursor in asymmetric synthesis and catalytic reactions.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing complex odorants and flavor compounds with novel scent profiles.
• Academic & Contract Research: Used in research institutions and CROs for methodological development and exploring new chemical spaces.

Basic Information

Product Name	Spiro[2.2]Pentanecarboxylic Acid, 1-Methyl-, Methyl Ester (9Ci)
CAS No.	252922-00-2
Molecular Formula	C8H12O2
Molecular Weight	140.18 g/mol
Synonyms	1-Methylspiro[2.2]pentane-1-carboxylic acid methyl ester; Methyl 1-methylspiro[2.2]pentane-1-carboxylate; 1-Methyl-1-(methoxycarbonyl)spiro[2.2]pentane; Spiro[2.2]pentane-1-carboxylic acid, 1-methyl-, methyl ester
EINECS	Contact for details

Quality Control

Our Spiro[2.2]Pentanecarboxylic Acid, 1-Methyl-, Methyl Ester (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency suitable for demanding synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment 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 controlled room temperature (15-25°C). Keep away from strong bases and incompatible organic solvents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

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.