Description

Toluene-4-Sulfonic Acid 2-Cyclopropyl-Ethyl Ester is a specialized organic sulfonate ester, a key intermediate in advanced organic synthesis. This compound is valued for its role as a versatile building block and protecting group reagent, enabling the construction of complex molecular architectures. It is primarily sought by research and development laboratories and production facilities in the pharmaceutical, agrochemical, and fine chemical industries for synthesizing active ingredients and novel compounds.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds containing cyclopropyl or sulfonate ester functionalities.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides where the cyclopropyl moiety imparts specific biological activity.
• Fine Chemical Production: Serves as a key reagent in the manufacture of specialty chemicals, dyes, and performance materials.
• Organic Synthesis Reagent: Acts as an alkylating agent or a protecting group for alcohols and phenols in multi-step synthetic routes.
• Research & Development: Employed in academic and industrial R&D for exploring new chemical entities and reaction methodologies.
• Material Science Precursor: Potential use in the development of monomers or additives for advanced polymeric materials.

Basic Information

Product Name	Toluene-4-Sulfonic Acid 2-Cyclopropyl-Ethyl Ester
CAS No.	63064-31-3
Molecular Formula	C₁₂H₁₆O₃S
Molecular Weight	240.32 g/mol
Synonyms	p-Toluenesulfonic Acid 2-Cyclopropylethyl Ester; 4-Methylbenzenesulfonic Acid 2-Cyclopropylethyl Ester; 2-Cyclopropylethyl p-Toluenesulfonate; Tosic Acid 2-Cyclopropylethyl Ester; 2-Cyclopropylethyl Tosylate; (2-Cyclopropylethyl) 4-Methylbenzenesulfonate; p-TsO(CH₂)₂-c-C₃H₅
EINECS	Contact for details

Quality Control

Our Toluene-4-Sulfonic Acid 2-Cyclopropyl-Ethyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for synthetic intermediates. A comprehensive Certificate of Analysis (COA) detailing identity, purity (typically by HPLC or GC), and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area 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 decomposition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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