Description

5-Methoxy-3-(4-Methylthiophenyl)Benzoic Acid is a high-purity, advanced pharmaceutical intermediate characterized by its distinct methoxy and methylthiophenyl substituents. This compound is critical for the synthesis of complex active pharmaceutical ingredients (APIs), offering a versatile building block for medicinal chemistry research and development. It is primarily utilized by pharmaceutical R&D laboratories and fine chemical manufacturers engaged in the production of novel therapeutic agents.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly in therapeutic areas requiring complex aromatic structures.
• Organic Synthesis Reagent: Used in research-scale and pilot-scale organic reactions, including Suzuki coupling and esterification, to create more complex molecules.
• Agrochemical Research: Serves as a precursor in the development of new crop protection agents and herbicides due to its specific aromatic framework.
• Material Science: Potential monomer or additive in the research of specialty polymers and advanced organic materials.
• Academic & Industrial R&D: Employed in chemical research institutions and corporate R&D departments for method development and exploratory synthesis.

Basic Information

Product Name	5-Methoxy-3-(4-Methylthiophenyl)Benzoic Acid
CAS No.	1262006-31-4
Molecular Formula	C15H14O3S
Molecular Weight	274.33 g/mol
Synonyms	3-(4-Methylsulfanylphenyl)-5-methoxybenzoic acid; 5-Methoxy-3-[4-(methylthio)phenyl]benzoic Acid; Benzoic acid, 5-methoxy-3-[4-(methylthio)phenyl]-; 5-Methoxy-3-(p-tolylthio)benzoic acid; 1262006-31-4; 5-Methoxy-3-(4-methylmercaptophenyl)benzoic acid
EINECS	Contact for details

Quality Control

Our 5-Methoxy-3-(4-Methylthiophenyl)Benzoic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR, MS), to ensure it meets the stringent requirements for pharmaceutical intermediate applications. Certificates of Analysis (COA) documenting all critical quality attributes 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 a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
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.