Description

Methyl 4-Cyclopropyl-2-Methylbenzoate is a high-purity benzoate ester derivative featuring a cyclopropyl substituent, offering a unique structural motif for advanced chemical synthesis. This compound serves as a critical pharmaceutical intermediate and a versatile building block in organic chemistry, enabling the development of novel active ingredients and functional materials. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce sterically constrained, lipophilic fragments into their target molecules.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) with cyclopropyl-containing scaffolds.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides requiring specific steric and electronic properties.
• Liquid Crystal & OLED Materials: Serves as a precursor for the development of advanced organic electronic materials and liquid crystal compounds.
• Organic Synthesis Reagent: Acts as a versatile ester-protected intermediate for further functional group transformations, including hydrolysis, reduction, and cross-coupling reactions.
• Fragrance & Flavor Chemistry: Potential intermediate for creating complex aromatic esters with unique olfactory profiles.
• Polymer Modification: Used to introduce benzoate and cyclopropyl functionalities into polymer chains to alter physical properties.

Basic Information

Product Name	Methyl 4-Cyclopropyl-2-Methylbenzoate
CAS No.	909698-09-5
Molecular Formula	C12H14O2
Molecular Weight	190.24 g/mol
Synonyms	4-Cyclopropyl-2-methylbenzoic acid methyl ester; Methyl 4-cyclopropyl-o-toluate; 2-Methyl-4-cyclopropylbenzoic acid methyl ester; Benzoic acid, 4-cyclopropyl-2-methyl-, methyl ester; Methyl 4-cyclopropyl-2-methylbenzoate; Methyl 2-methyl-4-cyclopropylbenzoate
EINECS	Contact for details

Quality Control

Our Methyl 4-Cyclopropyl-2-Methylbenzoate is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring high-purity intermediates under cGMP and ISO 9001 guidelines.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed to prevent moisture absorption and potential contamination.

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%
Residue on Ignition	≤ 0.1%

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