Description

4-Cyclopentylphenol is a versatile organic compound featuring a phenolic hydroxyl group attached to a cyclopentyl-substituted benzene ring. This unique structure makes it a valuable intermediate and building block in advanced organic synthesis, particularly for creating complex molecules with specific steric and electronic properties. It is primarily utilized by pharmaceutical, agrochemical, and specialty chemical manufacturers in research, development, and production processes.

Application

• Pharmaceutical Intermediate: A key synthon for the development of active pharmaceutical ingredients (APIs), especially in non-steroidal anti-inflammatory drug (NSAID) research and other therapeutic agents.
• Agrochemical Synthesis: Serves as a precursor in the manufacture of herbicides, fungicides, and plant growth regulators, leveraging its phenolic moiety.
• Liquid Crystal & Polymer Chemistry: Used as a monomer or modifier in the synthesis of specialty polymers and liquid crystal materials for electronic displays.
• Organic Synthesis Building Block: Employed in cross-coupling reactions, etherification, and esterification to introduce the bulky cyclopentylphenol group into target molecules.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic pathways and material properties.
• Dye & Pigment Intermediate: Acts as a starting material in the production of certain specialty dyes and colorants.

Basic Information

Product Name	4-Cyclopentylphenol
CAS No.	1518-83-8
Molecular Formula	C11H14O
Molecular Weight	162.23 g/mol
Synonyms	p-Cyclopentylphenol; (4-Cyclopentyl)phenol; 4-Cyclopentyl-phenol; Phenol, 4-cyclopentyl-; 1-Cyclopentyl-4-hydroxybenzene; FEMA 3827; 4-Hydroxybiphenyl, 4'-cyclopentyl- (related); Cyclopentylphenol
EINECS	Contact for details

Quality Control

Our 4-Cyclopentylphenol is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of our industrial and research partners. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality systems are designed to support cGMP and ISO standards where applicable.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	82 - 86 °C
Loss on Drying	≤ 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.