Description

4-(Toluene-4-Sulfonyl)-Butyric Acid is a versatile sulfonyl-containing carboxylic acid derivative, serving as a critical building block in advanced organic synthesis. Its bifunctional nature, featuring both a reactive sulfonyl group and a carboxylic acid moiety, makes it an invaluable intermediate for constructing complex molecular architectures. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting enzyme inhibition.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Organic Synthesis Building Block: Employed in coupling reactions and as a linker for introducing the tosyl (p-toluenesulfonyl) protecting group or functional handle.
• Material Science Research: Investigated for the creation of specialty polymers and functional organic materials.
• Chemical Research & Development: Serves as a standard or reagent in method development and catalytic studies within R&D laboratories.

Basic Information

Product Name	4-(Toluene-4-Sulfonyl)-Butyric Acid
CAS No.	29193-67-7
Molecular Formula	C11H14O4S
Molecular Weight	242.29 g/mol
Synonyms	4-(p-Tolylsulfonyl)butanoic Acid; 4-(4-Methylphenylsulfonyl)butyric Acid; 4-(Tosyloxy)butyric Acid (common misnomer); γ-(p-Toluenesulfonyl)butyric Acid; 4-(Toluene-p-sulfonyl)butyric Acid; Butyric acid, 4-[(4-methylphenyl)sulfonyl]-; 4-(4-Methylbenzenesulfonyl)butanoic Acid
EINECS	Contact for details

Quality Control

Our 4-(Toluene-4-Sulfonyl)-Butyric Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment supports applications requiring high-purity intermediates for research and cGMP manufacturing.

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 strong bases, oxidizing agents, and sources of heat.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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