Description

Benzothiazole, 2-Methyl-5-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)- is a high-value, synthetically versatile boronic ester derivative of the benzothiazole heterocycle. This compound is a critical building block in modern organic synthesis, particularly for cross-coupling reactions that enable the construction of complex molecular architectures. It is primarily sought after by pharmaceutical R&D and advanced materials science laboratories for developing novel active ingredients and functional organic molecules.

Application

• Pharmaceutical Intermediate: A key precursor in Suzuki-Miyaura cross-coupling reactions for synthesizing novel drug candidates, especially those containing the benzothiazole pharmacophore.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides with enhanced efficacy.
• Organic Light-Emitting Diodes (OLEDs): Serves as a building block for electron-transport materials and emissive layer components in display and lighting technologies.
• Polymer & Material Science: Incorporated into the synthesis of specialty polymers, ligands for catalysts, and organic frameworks with tailored properties.
• Chemical Research & Development: Employed in academic and industrial labs for methodology development and the creation of complex, functionalized organic molecules.
• Liquid Crystal & Dye Intermediate: Used in the synthesis of advanced dyes, pigments, and liquid crystal compounds for electronic displays.

Basic Information

Product Name	Benzothiazole, 2-Methyl-5-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-
CAS No.	791614-90-9
Molecular Formula	C₁₄H₁₈BNO₂S
Molecular Weight	275.17 g/mol
Synonyms	2-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzothiazole; 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-2-methylbenzothiazole; 2-Methyl-5-(tetramethyl-1,3,2-dioxaborolan-2-yl)benzothiazole; 2-Methylbenzothiazole-5-boronic acid pinacol ester; Benzothiazole-5-boronic acid, 2-methyl-, pinacol ester; 791614-90-9; 2-Me-5-Bpin-benzothiazole
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and reliability for sensitive synthetic applications. Quality is verified through comprehensive analytical techniques including NMR, HPLC, and GC. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming identity, purity, and conformity to agreed specifications.

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 material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage or when opening the container to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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