Description

Benzo(B)Thiophene-2-Boronic Acid (CAS No. 98437-23-1) is a high-purity boronic acid derivative with the molecular formula C₈H₇BO₂S and IUPAC name 1-benzothiophen-2-ylboronic acid. This compound is a valuable building block in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions, due to its stable boronic acid functional group. The benzo[b]thiophene core structure enhances its utility in pharmaceutical and materials science research. Our product is rigorously tested for purity and consistency, ensuring optimal performance in sensitive applications. Available in various quantities, it is ideal for researchers requiring reliable and high-quality reagents for advanced synthetic chemistry.

Properties

• CAS Number: 98437-23-1
• Complexity: 165
• IUPAC Name: benzothiophen-2-ylboronic acid
• InChI: InChI=1S/C8H7BO2S/c10-9(11)8-5-6-3-1-2-4-7(6)12-8/h1-5,10-11H
• InChI Key: YNCYPMUJDDXIRH-UHFFFAOYSA-N
• Exact Mass: 178.0259808
• Molecular Formula: C8H7BO2S
• Molecular Weight: 178.02
• SMILES: B(C1=CC2=CC=CC=C2S1)(O)O
• Topological: 68.7
• Monoisotopic Mass: 178.0259808
• Synonyms: 98437-23-1, 2-benzothienylboronic acid, benzo[b]thiophen-2-ylboronic acid, BENZO[B]THIOPHENE-2-BORONIC ACID, benzo(b)thiophene-2-boronic acid, Benzothiophene-2-boronic acid, Thianaphthene-2-boronic acid, SME05QG1FJ, Benzo(B)thiophen-2-ylboronic acid, DTXSID80274363, (1-benzothiophen-2-yl)boronic acid, DTXCID50225842, 671-850-3, 1-Benzothiophen-2-ylboronic acid, 1-benzothien-2-ylboronic acid, BENZO[B]THIEN-2-YLBORONIC ACID, Benzo[b]thiophene-2-ylboronic Acid, MFCD01075674, CHEMBL34964, benzo[b]thiophen-2-boronic acid, Boronic acid, benzo[b]thien-2-yl-, Benzothiophen-2-ylboronic acid, 3fkv, 3ixg, benzothiopheneboronic acid, UNII-SME05QG1FJ, 2-benzothienyl boronic acid, 2-benzothiopheneboronic acid, SCHEMBL8212, thianapthene-2-boronic acid, benzothiophen-2-boronic acid, bezothiophene-2-boronic acid, 1-benzothiophen-2-ylboranediol, 2-benzo[b]thiopheneboronic acid, benzo[b]thiophene-2-boronicacid, benzo[b]thiophene2-boronic acid, (2-benzo[b]thienyl)boronic acid, BDBM26139, Bnezo[b]thiophen-2-boronic acid, YNCYPMUJDDXIRH-UHFFFAOYSA-, 2-benzo[b]thiophene boronic acid, 1-benzothiophen-2-yl-boronic acid, benzo[b]-thiophene-2-boronic acid, HMS3604C07, benzo(B) thiophene-2-boronic acid, BBL020712, SBB003765, STK893402, AKOS003585292, Benzo[b]thiophene-2-boronic acid (contains varying amounts of Anhydride), 1-benzothiophen-2-ylboronic acid, 18, AB08143, CS-W018486, DB04360, NCGC00092008-01, NCGC00092008-02, NCGC00092008-03, NCGC00092008-05, AS-15065, SY001173, DB-009570, B2893, NS00073510, ST50405953, BENZO[B]THIOPHEN-2-YL-2-BORONIC ACID, EN300-212491, AB01332905-02, Q27095165, Z1255488387, 1-Benzothiophen-2-ylboronic acid(contains varying amounts of Anhydride), Benzo[b]thiophene-2-ylboronic Acid, (contains varying amounts of Anhydride), InChI=1/C8H7BO2S/c10-9(11)8-5-6-3-1-2-4-7(6)12-8/h1-5,10-11H

Application

Benzo(B)Thiophene-2-Boronic Acid is widely used in Suzuki-Miyaura cross-coupling reactions to construct biaryl and heteroaryl compounds, key intermediates in drug discovery. It serves as a precursor in the synthesis of pharmaceuticals, agrochemicals, and organic electronic materials. Researchers also employ it in the development of novel boron-containing polymers and sensors. Its stability and reactivity make it a preferred choice for catalytic transformations in organic chemistry.

Safety and Hazards

GHS Hazard Statements

• H302 (16.7%): Harmful if swallowed [Warning Acute toxicity, oral]
• H315 (91.7%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (91.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (83.3%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (16.7%)
• Skin Irrit. 2 (91.7%)
• Eye Irrit. 2A (91.7%)
• STOT SE 3 (83.3%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.