Description

5-n-Propylthiophene-2-Boronic Acid Pinacol Ester is a high-purity organoboron building block essential for modern synthetic chemistry. This compound serves as a critical reagent in cross-coupling reactions, enabling the efficient construction of complex molecular architectures. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for creating novel thiophene-based derivatives.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key reagent for forming carbon-carbon bonds between thiophene rings and aryl/heteroaryl halides.
• Pharmaceutical Intermediate Synthesis: Used in the research and development of active pharmaceutical ingredients (APIs), particularly those containing functionalized thiophene moieties.
• Agrochemical Research: Employed in creating novel herbicides, fungicides, and insecticides with tailored properties.
• Organic Electronic Materials: Serves as a precursor for conjugated polymers and small molecules used in OLEDs, organic photovoltaics (OPVs), and field-effect transistors (OFETs).
• Ligand and Catalyst Development: Useful for synthesizing novel ligands for transition metal catalysis.
• Chemical Biology Probes: Facilitates the creation of labeled compounds and molecular probes for biological studies.

Basic Information

Product Name	5-n-Propylthiophene-2-Boronic Acid Pinacol Ester
CAS No.	1473358-18-7
Molecular Formula	C₁₃H₂₁BO₂S
Molecular Weight	252.18 g/mol
Synonyms	5-Propylthiophene-2-boronic acid pinacol ester; 2-(5-Propylthiophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; 5-Propyl-2-thienylboronic acid pinacol ester; 5-n-Propyl-2-thienylboronic acid pinacol ester; 2-(5-n-Propyl-2-thienyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; Thiophene-2-boronic acid, 5-propyl-, 1,1-dimethylethyl ester (related); Pinacol 5-propylthiophene-2-boronate
EINECS	Contact for details

Quality Control

Our 5-n-Propylthiophene-2-Boronic Acid Pinacol Ester is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to relevant industry standards and can provide material suitable for research and development under cGMP guidelines as required.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C or as specified on the label. The material is light-sensitive and easily oxidized; prolonged exposure to air, moisture, or elevated temperatures should be avoided to maintain stability.

Specification

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

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