Description

(4,5-Dichloro-2-Thienyl)Boronic Acid is a high-value organoboron building block essential for modern synthetic chemistry. Its primary value lies in enabling the precise construction of complex molecules through palladium-catalyzed cross-coupling reactions, such as the Suzuki-Miyaura reaction. This compound is critically needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for creating novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key synthon for constructing complex heterocyclic cores found in active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides with specific activity profiles.
• Material Science Research: Serves as a precursor for creating conjugated polymers and organic electronic materials for OLEDs or sensors.
• Chemical Biology & Medicinal Chemistry: Employed in the synthesis of molecular probes and tool compounds for target validation and drug discovery.
• Custom Synthesis & Contract Manufacturing: A critical reagent for CROs and CDMOs producing bespoke compounds for client projects.
• Academic Research: Facilitates methodological development in synthetic organic chemistry and catalysis studies.

Basic Information

Product Name	(4,5-Dichloro-2-Thienyl)Boronic Acid
CAS No.	1190737-21-3
Molecular Formula	C4H3BCl2O2S
Molecular Weight	211.24 g/mol
Synonyms	4,5-Dichloro-2-thiopheneboronic acid; 4,5-Dichloro-2-thienylboronic acid; (4,5-Dichloro-2-thienyl)boronic acid; 4,5-Dichlorothiophene-2-boronic acid; 2-Borono-4,5-dichlorothiophene; 4,5-Dichloro-2-thienyl-B(OH)2; B-(4,5-Dichloro-2-thienyl)boronic acid
EINECS	Contact for details

Quality Control

Every batch of (4,5-Dichloro-2-Thienyl)Boronic Acid is manufactured and tested under strict quality management protocols to ensure consistency and reliability for your critical syntheses. We provide comprehensive analytical data, including HPLC purity and NMR confirmation of structure and identity. A detailed Certificate of Analysis (COA) is supplied with each shipment, and we support compliance with relevant regulatory frameworks for research and development use.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic (moisture-sensitive) nature, the container should be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to maintain product integrity. Recommended long-term storage at 2-8°C.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%

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