Description

3-(4-Methylthiophenyl)-5-Trifluoromethylbenzoic Acid is a high-value, multi-functional aromatic carboxylic acid derivative. This compound is a critical advanced pharmaceutical intermediate (API) and a versatile building block in modern organic synthesis. It is primarily sought after by pharmaceutical R&D and fine chemical manufacturers for the development of novel active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders, inflammation, and oncology.
• Agrochemical Synthesis: Serves as a building block for developing novel herbicides and fungicides, leveraging the bioactivity of the trifluoromethyl and thioether groups.
• Liquid Crystal & OLED Material Research: Used in the development of advanced electronic materials due to its aromatic rigidity and potential for molecular engineering.
• Polymer Modification: Acts as a functional monomer or cross-linking agent to introduce specific properties like thermal stability or chemical resistance into polymer chains.
• Organic Synthesis Building Block: Employed in Suzuki, Heck, and other cross-coupling reactions to construct complex, polyfunctional aromatic systems for research and development.

Basic Information

Product Name	3-(4-Methylthiophenyl)-5-Trifluoromethylbenzoic Acid
CAS No.	1261975-51-2
Molecular Formula	C15H11F3O2S
Molecular Weight	312.31 g/mol
Synonyms	5-(Trifluoromethyl)-3-[4-(methylthio)phenyl]benzoic Acid; 3-(4-Methylsulfanylphenyl)-5-trifluoromethylbenzoic Acid; 3-(p-Methylthiophenyl)-5-(trifluoromethyl)benzoic Acid; Benzoic acid, 3-[4-(methylthio)phenyl]-5-(trifluoromethyl)-; 1261975-51-2; CAS 1261975-51-2
EINECS	Contact for details

Quality Control

Our production of 3-(4-Methylthiophenyl)-5-Trifluoromethylbenzoic Acid adheres to stringent in-process controls and final release testing. We guarantee high chemical purity and batch-to-batch consistency to meet the exacting requirements of pharmaceutical and advanced material synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound is light-sensitive (store away from 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	≤ 10 ppm

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