Description

Toluene-4-Sulfonic Acid Cyclobutyl Ester is a versatile organic sulfonate ester, a key intermediate in advanced organic synthesis. Its value lies in its role as an effective alkylating and sulfonylating agent, enabling the construction of complex molecular architectures. This compound is primarily needed by research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing the cyclobutyl moiety.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides requiring specific sulfonate ester functionalities.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the development of specialty polymers and resins with tailored properties.
• Organic Synthesis Reagent: Employed as an alkylating agent in C-C and C-O bond formation reactions under mild conditions.
• Ligand and Catalyst Preparation: Useful for modifying ligands and synthesizing organometallic catalysts used in asymmetric synthesis.
• Material Science Research: Applied in the creation of novel organic electronic materials and liquid crystals.

Basic Information

Product Name	Toluene-4-Sulfonic Acid Cyclobutyl Ester
CAS No.	10437-85-1
Molecular Formula	C11H14O3S
Molecular Weight	226.29 g/mol
Synonyms	4-Methylbenzenesulfonic Acid Cyclobutyl Ester; p-Toluenesulfonic Acid Cyclobutyl Ester; Cyclobutyl p-Toluenesulfonate; Tosyl Cyclobutyl Ester; Cyclobutyl Tosylate; p-Tosyl Cyclobutyl Ester; 4-Toluenesulfonic Acid Cyclobutyl Ester; CBOTs
EINECS	Contact for details

Quality Control

Our Toluene-4-Sulfonic Acid Cyclobutyl Ester is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistency. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available for every shipment to support your quality assurance and regulatory needs.

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 bases, oxidizing agents, and sources of ignition. Due to its nature as a strong acid/organic solvent, handle with appropriate personal protective equipment in a fume hood.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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