Description

Chloromethanesulfonic Acid 4-Benzoyloxyphenyl Ester is a specialized organic sulfonate ester with a CAS number of 117224-50-7. This high-purity intermediate is valued for its role in advanced synthetic chemistry, particularly in the development of novel compounds. It is primarily sought by research and development teams in the pharmaceutical and agrochemical sectors for use as a key building block in the synthesis of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for research into new therapeutic agents.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a key reagent in the multi-step synthesis of complex organic molecules for specialty applications.
• Material Science Research: Employed in the development of specialty polymers, liquid crystals, or advanced organic electronic materials.
• Chemical Biology Probes: Potential use in the design and synthesis of molecular probes for studying biological systems and enzyme activity.

Basic Information

Product Name	Chloromethanesulfonic Acid 4-Benzoyloxyphenyl Ester
CAS No.	117224-50-7
Molecular Formula	C14H11ClO5S
Molecular Weight	326.75 g/mol
Synonyms	4-(Benzoyloxy)phenyl chloromethanesulfonate; p-(Benzoyloxy)phenyl chloromethanesulfonate; Chloromethanesulfonic Acid p-Benzoyloxyphenyl Ester; Benzophenone-4-chloromethanesulfonate Ester; CMS-BE Ester; (4-Benzoyloxyphenyl) chloromethanesulfonate; 117224-50-7
EINECS	Contact for details

Quality Control

Our Chloromethanesulfonic Acid 4-Benzoyloxyphenyl Ester is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and development applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to cGMP principles for the production of advanced chemical intermediates.

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 heat, sparks, and open flame. This material is moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere when appropriate to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 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.