Description

(4-(Methoxycarbonyl)-5-Methylthiophen-2-Yl)Boronic Acid is a high-purity boronic acid derivative and a key synthetic intermediate in modern organic chemistry. Its primary value lies in its role as a versatile building block in cross-coupling reactions, enabling the efficient construction of complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, particularly for developing active pharmaceutical ingredients (APIs) and functional organic compounds.

Application

• Pharmaceutical Intermediate: A critical building block in Suzuki-Miyaura cross-couplings for synthesizing novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with improved efficacy and selectivity.
• Material Science: Serves as a precursor for creating organic electronic materials, such as those used in OLEDs and organic semiconductors.
• Chemical Synthesis: Enables the formation of carbon-carbon bonds in complex organic molecule synthesis for research and scale-up.
• Ligand & Catalyst Development: Utilized in the preparation of novel ligands and organometallic catalysts for asymmetric synthesis.
• Life Sciences & Diagnostics: Potential use in developing molecular probes and sensor materials for biochemical applications.

Basic Information

Product Name	(4-(Methoxycarbonyl)-5-Methylthiophen-2-Yl)Boronic Acid
CAS No.	1353018-96-8
Molecular Formula	C8H11BO4S
Molecular Weight	214.05 g/mol
Synonyms	5-Methyl-4-(methoxycarbonyl)thiophene-2-boronic acid; Methyl 5-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate (Pinacol ester); 2-Borono-5-methyl-4-(methoxycarbonyl)thiophene; (4-Carbomethoxy-5-methyl-2-thienyl)boronic acid; 4-Methoxycarbonyl-5-methylthiophene-2-boronic acid; 5-Methyl-4-(methoxycarbonyl)-2-thiopheneboronic acid; (5-Methyl-4-(methoxycarbonyl)thiophen-2-yl)boronic acid
EINECS	Contact for details

Quality Control

Our (4-(Methoxycarbonyl)-5-Methylthiophen-2-Yl)Boronic Acid is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and commercial synthesis. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to cGMP principles where applicable, and our quality systems support compliance with global regulatory requirements for advanced intermediates.

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). This product is hygroscopic (moisture-sensitive) and must be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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