Description

Cyclopentanecarboxylic Acid, 2-Propenyl Ester (9Ci) CAS NO 178905-33-4 is a specialized organic ester compound characterized by its cyclopentane backbone and reactive propenyl (allyl) ester functional group. This unique structure makes it a valuable intermediate for synthesizing more complex molecules, offering chemists a versatile building block for fine chemical and pharmaceutical development. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for applications in catalysis, polymer modification, and the synthesis of active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of novel active pharmaceutical ingredients (APIs), particularly for introducing the allyl moiety.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators where the cyclopentane ring structure is beneficial.
• Polymer Science: Acts as a monomer or cross-linking agent in the synthesis of specialty polymers, resins, and coatings to modify physical properties.
• Fine Chemical Manufacturing: Employed as a versatile building block in organic synthesis for creating flavors, fragrances, and other high-value chemicals.
• Catalysis & Ligand Development: Useful in the preparation of novel organometallic catalysts and ligands for asymmetric synthesis.
• Material Science Research: Investigated for developing advanced organic electronic materials and liquid crystals.

Basic Information

Product Name	Cyclopentanecarboxylic Acid, 2-Propenyl Ester (9Ci)
CAS No.	178905-33-4
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	2-Propenyl cyclopentanecarboxylate; Allyl cyclopentanecarboxylate; Cyclopentanecarboxylic acid allyl ester; NSC 221981; 1-Cyclopentanecarboxylic acid, 2-propenyl ester; Allyl cyclopentane-1-carboxylate
EINECS	Contact for details

Quality Control

Our Cyclopentanecarboxylic Acid, 2-Propenyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee reliable performance in your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider maintaining under an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.450 - 1.460
Density (20°C)	0.98 - 1.02 g/mL

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