Description

2-Formylthiophene-3-Boronic Acid is a high-value, multifunctional heterocyclic building block that combines a reactive formyl group with a versatile boronic acid functionality. This unique structure makes it an essential intermediate for the synthesis of complex molecules via cross-coupling reactions, such as the Suzuki-Miyaura reaction, and subsequent derivatizations. It is critically important for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries who require precise molecular scaffolds for drug discovery, advanced material development, and specialty chemical synthesis.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds containing thiophene cores with tailored substituents.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides that leverage the thiophene moiety for enhanced biological activity.
• Material Science & Organic Electronics: Serves as a building block for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and semiconductors.
• Ligand & Catalyst Development: Employed in the creation of novel ligands for transition metal catalysts used in asymmetric synthesis and other specialized chemical transformations.
• Chemical Research & Development: A versatile reagent for academic and industrial R&D focused on exploring new chemical spaces and reaction methodologies.
• Liquid Crystal & Dye Intermediate: Utilized in the synthesis of advanced functional dyes and liquid crystal materials for display technologies.

Basic Information

Product Name	2-Formylthiophene-3-Boronic Acid
CAS No.	4347-31-3
Molecular Formula	C5H5BO3S
Molecular Weight	155.97 g/mol
Synonyms	3-Formylthiophene-2-boronic acid; (3-Formylthiophen-2-yl)boronic acid; 2-Borono-3-formylthiophene; Thiophene-3-carboxaldehyde-2-boronic acid; 3-Formyl-2-thienylboronic acid; 2-Formyl-3-thiopheneboronic acid; 2-Thiophenecarboxaldehyde-3-boronic acid
EINECS	Contact for details

Quality Control

Our 2-Formylthiophene-3-Boronic Acid is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques, including HPLC, NMR, and IR spectroscopy, to verify identity and quantify purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This compound is light-sensitive (store away from light). Keep the container tightly sealed to minimize exposure to atmospheric moisture.

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%
Melting Point	Contact for details

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