Description

Cyano-Cyclopentylidene-Acetic Acidmethyl Ester is a versatile chemical intermediate characterized by its reactive cyclopentylidene and cyanoacetate functional groups. This compound is valued for its role in facilitating complex organic syntheses, particularly in constructing constrained ring systems and serving as a key building block for advanced molecules. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for developing active ingredients and novel compounds.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing constrained cyclopentane or spirocyclic ring systems.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides, leveraging its reactive structure to create diverse bioactive molecules.
• Organic Synthesis Research: Serves as a versatile precursor in academic and industrial R&D for constructing complex organic molecules, including natural product analogs and material science candidates.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, dyes, and pigments where its specific carbon skeleton is required.
• Material Science Precursor: Investigated for use in the development of advanced organic materials and polymers with specific optical or electronic properties.

Basic Information

Product Name	Cyano-Cyclopentylidene-Acetic Acidmethyl Ester
CAS No.	66977-04-6
Molecular Formula	C9H11NO2
Molecular Weight	165.19 g/mol
Synonyms	Methyl 2-cyano-2-cyclopentylideneacetate; 2-Cyano-2-cyclopentylideneacetic acid methyl ester; Methyl (2-cyano-1-cyclopenten-1-yl)acetate; 2-Cyano-2-cyclopentylideneethanoic acid methyl ester; Cyclopentylidenecyanoacetic acid methyl ester; Methyl α-cyano-α-cyclopentylideneacetate; (Cyclopentylidene)(cyano)acetic acid methyl ester
EINECS	Contact for details

Quality Control

Our Cyano-Cyclopentylidene-Acetic Acidmethyl Ester is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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