Description

3-Chloro-4-(Isopropylsulfonyl)-5-(Methylthio)Thiophene-2-Carboxylic Acid is a high-purity, multi-functional heterocyclic building block essential for advanced organic synthesis. This compound matters because it provides a versatile scaffold for constructing complex molecules, particularly in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce specific sulfonyl, thioether, and carboxylic acid functionalities into their target structures.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new drug candidates, particularly in medicinal chemistry programs targeting various therapeutic areas.
• Agrochemical Synthesis: Serves as a crucial building block for creating novel herbicides, fungicides, and insecticides with tailored activity profiles.
• Material Science Research: Used in the synthesis of advanced organic materials, such as conductive polymers or ligands for catalysis, leveraging its unique thiophene core.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes for studying biological processes and enzyme interactions.
• Custom Synthesis & Contract Manufacturing: A valuable starting material for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) serving global clients.

Basic Information

Product Name	3-Chloro-4-(Isopropylsulfonyl)-5-(Methylthio)Thiophene-2-Carboxylic Acid
CAS No.	175202-23-0
Molecular Formula	C9H11ClO4S3
Molecular Weight	322.82 g/mol
Synonyms	3-Chloro-4-(1-methylethylsulfonyl)-5-(methylthio)thiophene-2-carboxylic acid; 2-Thiophenecarboxylic acid, 3-chloro-4-[(1-methylethyl)sulfonyl]-5-(methylthio)-; 175202-23-0; 3-Chloro-4-isopropylsulfonyl-5-methylsulfanyl-thiophene-2-carboxylic acid; 3-Chloro-4-(propan-2-ylsulfonyl)-5-(methylsulfanyl)thiophene-2-carboxylic acid
EINECS	Contact for details

Quality Control

Our 3-Chloro-4-(Isopropylsulfonyl)-5-(Methylthio)Thiophene-2-Carboxylic Acid is manufactured under a strict quality management system. Every 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 process chemistry. Certificates of Analysis (COA) with detailed batch-specific results are provided to guarantee traceability, consistency, and reliability for your critical projects.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling and packaging should minimize exposure to direct light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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