Description

(1-(Trifluoromethyl)Cyclopropyl)Methyl 4-Methylbenzenesulfonate is a high-value organofluorine building block and sulfonate ester, essential for advanced synthetic chemistry. This compound is critical for introducing the robust (1-(trifluoromethyl)cyclopropyl)methyl moiety into target molecules, a key step in the development of novel agrochemicals and pharmaceuticals. It is primarily sought by R&D chemists and process development scientists in the fine chemical and pharmaceutical industries for constructing complex molecules with enhanced metabolic stability and lipophilicity. The product, CAS NO 865833-72-3, is supplied under stringent quality control to ensure reliability in sensitive multi-step syntheses.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring trifluoromethylcyclopropyl groups to modulate bioavailability and binding affinity.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides, where the fluorinated cyclopropyl group contributes to biological activity and environmental persistence.
• Material Science Research: Serves as a precursor for synthesizing specialty monomers or ligands used in catalysts and advanced polymeric materials.
• Cross-Coupling Reactions: Acts as an electrophilic coupling partner in transition-metal catalyzed reactions (e.g., Suzuki, Negishi) to form carbon-carbon bonds.
• Nucleophilic Substitution: The tosylate (4-methylbenzenesulfonate) group is an excellent leaving group, facilitating SN2 reactions with various nucleophiles to install functionalized side chains.
• Fluorine Chemistry Libraries: A valuable reagent for constructing diverse compound libraries in medicinal chemistry for high-throughput screening and structure-activity relationship (SAR) studies.

Basic Information

Item	Details
Product Name	(1-(Trifluoromethyl)Cyclopropyl)Methyl 4-Methylbenzenesulfonate
CAS No.	865833-72-3
Molecular Formula	C12H13F3O3S
Molecular Weight	294.29 g/mol
Synonyms	[(1-(Trifluoromethyl)cyclopropyl]methyl p-toluenesulfonate; (1-(Trifluoromethyl)cyclopropyl)methyl tosylate; 4-Methylbenzenesulfonic acid (1-(trifluoromethyl)cyclopropyl)methyl ester; p-Toluenesulfonic acid (1-(trifluoromethyl)cyclopropyl)methyl ester; α-Tosyloxy-α-(trifluoromethyl)cyclopropanemethane; Tosylate of (1-(trifluoromethyl)cyclopropyl)methanol
EINECS	Contact for details

Quality Control

Our (1-(Trifluoromethyl)Cyclopropyl)Methyl 4-Methylbenzenesulfonate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC, to ensure high chemical purity and identity confirmation. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment. Our quality protocols are designed to meet the exacting standards of GMP and ISO guidelines for fine chemical production.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). The compound is sensitive to strong bases and should be kept away from alkaline materials. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline solid or powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Assay	≥ 97.0%
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.