Description

[5-(4-Methoxyphenyl)-2-Thienyl]Boronic Acid is a high-purity organoboron compound, a critical building block in modern synthetic chemistry. Its value lies in enabling efficient carbon-carbon bond formation via Suzuki-Miyaura cross-coupling reactions, a cornerstone of pharmaceutical and advanced materials development. This boronic acid is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and organic electronics industries who require reliable, high-quality intermediates for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those containing biaryl or heterobiaryl motifs.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides that require specific aryl-thiophene structures.
• Material Science: Serves as a monomer or building block for creating conjugated polymers and organic semiconductors used in OLEDs, OFETs, and solar cells.
• Ligand & Catalyst Development: Employed in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Chemical Research: A versatile reagent for academic and industrial R&D in synthetic organic chemistry, enabling the exploration of new chemical space.
• Fine Chemical Production: Integral to the custom synthesis of complex, high-value specialty chemicals for various industrial applications.

Basic Information

Product Name	[5-(4-Methoxyphenyl)-2-Thienyl]Boronic Acid
CAS No.	666861-29-6
Molecular Formula	C11H11BO3S
Molecular Weight	234.08 g/mol
Synonyms	5-(4-Methoxyphenyl)thiophene-2-boronic acid; (5-(4-Methoxyphenyl)thiophen-2-yl)boronic acid; 2-(4-Methoxyphenyl)-5-thienylboronic Acid; 5-(p-Methoxyphenyl)-2-thienylboronic Acid; Boronic acid, B-[5-(4-methoxyphenyl)-2-thienyl]-; 666861-29-6; 5-(4-Methoxyphenyl)thiophene-2-ylboronic acid
EINECS	Contact for details

Quality Control

Our [5-(4-Methoxyphenyl)-2-Thienyl]Boronic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and consistency. Certificates of Analysis (COA) detailing batch-specific results are provided and available upon request, supporting your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container sealed to protect this light-sensitive and potentially moisture-sensitive material from degradation.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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