Description

(αr)-2-Chloro-α-[(Phenylsulfonyl)Oxy]-Benzeneacetic Acid Ethyl Ester is a specialized synthetic intermediate of significant interest in advanced organic synthesis. This compound matters for its role as a key building block in the development of complex molecules, particularly in pharmaceutical research and fine chemical manufacturing. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those with complex stereocenters or sulfonyl ester functionalities.
• Agrochemical Research: Used in the development and scale-up of novel herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in academic and industrial laboratories for constructing complex organic molecules, including natural product analogs and material science precursors.
• Process Chemistry: Utilized in route scouting and optimization for the efficient, scalable production of target compounds.
• Chemical Biology Probes: Acts as a starting material for creating molecular probes to study biological pathways and enzyme mechanisms.

Basic Information

Product Name	(αr)-2-Chloro-α-[(Phenylsulfonyl)Oxy]-Benzeneacetic Acid Ethyl Ester
CAS No.	1798818-13-9
Molecular Formula	C₁₆H₁₅ClO₅S
Molecular Weight	354.80 g/mol
Synonyms	Ethyl (ar)-2-chloro-2-((phenylsulfonyl)oxy)acetate; Benzeneacetic acid, 2-chloro-α-[(phenylsulfonyl)oxy]-, ethyl ester; Ethyl 2-chloro-2-((phenylsulfonyl)oxy)acetate; α-Chloro-α-((phenylsulfonyl)oxy)benzeneacetic acid ethyl ester; 2-Chloro-2-(phenylsulfonyloxy)acetic acid ethyl ester; (ar)-Ethyl 2-chloro-2-(phenylsulfonyloxy)acetate
EINECS	Contact for details

Quality Control

Our (αr)-2-Chloro-α-[(Phenylsulfonyl)Oxy]-Benzeneacetic Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy, to ensure it meets the high standards required for research and development. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, the container should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Assay	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines
Water Content (KF)	< 0.5%

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