Description

Methyl 4-Cyclopentylbenzoate is a high-purity organic ester compound, serving as a versatile and valuable synthetic intermediate in advanced chemical manufacturing. Its unique structure, featuring a cyclopentyl-substituted benzoate core, makes it a critical building block for the development of complex molecules with tailored properties. This product is essential for research and production in the pharmaceutical and agrochemical sectors, where precise molecular architecture is required for creating active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders and metabolic diseases.
• Agrochemical Synthesis: Used in the development of next-generation herbicides and fungicides, where the cyclopentyl moiety can enhance biological activity and environmental profile.
• Liquid Crystal & OLED Material Research: Serves as a structural component in the design of advanced organic electronic materials, including liquid crystal displays (LCDs) and organic light-emitting diodes (OLEDs).
• Fragrance & Flavor Chemistry: Employed as a building block for synthesizing complex ester-based aroma chemicals with unique olfactory characteristics.
• Polymer Modification: Acts as a specialty monomer or additive to introduce specific functional groups into polymer chains, modifying thermal and mechanical properties.
• Organic Synthesis & Catalysis Research: A valuable substrate in methodological studies for developing new cross-coupling, esterification, and hydrogenation reactions.

Basic Information

Product Name	Methyl 4-Cyclopentylbenzoate
CAS No.	160598-47-0
Molecular Formula	C₁₃H₁₆O₂
Molecular Weight	204.27 g/mol
Synonyms	4-Cyclopentylbenzoic Acid Methyl Ester; Methyl p-Cyclopentylbenzoate; Benzoic Acid, 4-Cyclopentyl-, Methyl Ester; Methyl 4-Cyclopentylbenzenecarboxylate; p-(Cyclopentyl)benzoic Acid Methyl Ester; Methyl (4-cyclopentylphenyl)formate; 160598-47-0; Methyl 4-cyclopentylbenzoate
EINECS	Contact for details

Quality Control

Our Methyl 4-Cyclopentylbenzoate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation. A Certificate of Analysis (COA) detailing specific results for purity, residual solvents, and related substances is provided with every shipment, supporting compliance in cGMP and ISO 9001 environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH Q3C guidelines

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