Description

5-Methoxy-3-(Thiophen-3-Yl)Benzoic Acid is a high-purity organic building block characterized by its benzoic acid core substituted with methoxy and thiophene groups. This compound is valued for its role as a versatile synthetic intermediate in advanced organic synthesis and pharmaceutical research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators.
• Material Science: Serves as a precursor for organic electronic materials, such as semiconductors and conductive polymers.
• Ligand Synthesis: Useful for creating complex ligands for catalysis and metal-organic frameworks (MOFs).
• Chemical Biology: Employed as a probe or linker molecule in bioconjugation and proteomics research.
• Academic & Contract Research: Essential for methodological development and exploratory synthesis in university and CRO laboratories.

Basic Information

Product Name	5-Methoxy-3-(Thiophen-3-Yl)Benzoic Acid
CAS No.	1261969-21-4
Molecular Formula	C12H10O3S
Molecular Weight	234.27 g/mol
Synonyms	3-(3-Thienyl)-5-methoxybenzoic Acid; 5-Methoxy-3-(3-thienyl)benzoic Acid; 3-Thiophen-3-yl-5-methoxybenzoic Acid; Benzoic acid, 5-methoxy-3-(3-thienyl)-; 1261969-21-4; 5-Methoxy-3-thiophen-3-ylbenzoic acid
EINECS	Contact for details

Quality Control

Every batch of 5-Methoxy-3-(Thiophen-3-Yl)Benzoic Acid is manufactured under strict quality management protocols. Our products undergo rigorous quality testing, including HPLC, NMR, and mass spectrometry, to ensure compliance with exacting purity standards for research and development use. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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