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Atomfair 5-Boronothiophene-2-carboxylic acid C5H5BO4S CAS 465515-31-5

5-Boronothiophene-2-carboxylic acid (CAS No. 465515-31-5) is a high-purity boronic acid derivative featuring a thiophene carboxylic acid backbone, making it an essential building block for organic synthesis and pharmaceutical research. With the molecular formula C5H5BO4S , this compound is widely used in Suzuki-Miyaura cross-coupling reactions due to its reactive boronic acid group, enabling efficient carbon-carbon bond formation. Its unique structure allows for applications in material science, drug discovery, and agrochemical development. Our product is rigorously tested for purity (>98%) and stability, ensuring optimal performance in sensitive reactions. Available in various packaging options to suit laboratory and industrial-scale needs.

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Description

5-Boronothiophene-2-carboxylic acid (CAS No. 465515-31-5) is a high-purity boronic acid derivative featuring a thiophene carboxylic acid backbone, making it an essential building block for organic synthesis and pharmaceutical research. With the molecular formula C5H5BO4S, this compound is widely used in Suzuki-Miyaura cross-coupling reactions due to its reactive boronic acid group, enabling efficient carbon-carbon bond formation. Its unique structure allows for applications in material science, drug discovery, and agrochemical development. Our product is rigorously tested for purity (>98%) and stability, ensuring optimal performance in sensitive reactions. Available in various packaging options to suit laboratory and industrial-scale needs.

Properties

  • CAS Number: 465515-31-5
  • Complexity: 163
  • IUPAC Name: 5-boronothiophene-2-carboxylic acid
  • InChI: InChI=1S/C5H5BO4S/c7-5(8)3-1-2-4(11-3)6(9)10/h1-2,9-10H,(H,7,8)
  • InChI Key: OQGIKNPOYTVNNF-UHFFFAOYSA-N
  • Exact Mass: 172.0001600
  • Molecular Formula: C5H5BO4S
  • Molecular Weight: 171.97
  • SMILES: B(C1=CC=C(S1)C(=O)O)(O)O
  • Topological: 106
  • Monoisotopic Mass: 172.0001600
  • Synonyms: 2-Carboxythiophene-5-boronic acid, 5-boronothiophene-2-carboxylic acid, 5-(Dihydroxyboryl)-2-thiophenecarboxylic acid, 5-(dihydroxyboranyl)thiophene-2-carboxylic acid, 2-THIOPHENECARBOXYLIC ACID, 5-BORONO-, 44WHT45A52, 5-borono-2-thiophenecarboxylic acid, DTXSID90381557, DTXCID70332582, 800-291-1, 465515-31-5, 5-Carboxythiophene-2-boronic acid, 5-(dihydroxyboryl)thiophene-2-carboxylic acid, C5H5BO4S, MFCD02323211, CHEMBL573906, 2-Carboxythiophene-5-boronicacid, AF-399/25053010, SCHEMBL363172, UNII-44WHT45A52, OQGIKNPOYTVNNF-UHFFFAOYSA-N, 2-Carboxy-5-thiopheneboronic acid, BDBM50300665, SBB052581, AKOS000320202, AB11840, CS-W008899, GS-6580, PD182502, SY025280, DB-010365, 5(dihydroxylboryl)-2-thiophene carboxylic acid, 5-(dihydroxyboryl)-2-thiophene-carboxylic acid, 5-(dihydroxylboryl)-2-thiophene carboxylic acid, 5-(Dihydroxyboryl)-2-thiophenecarboxylic acid, AldrichCPR

5-Boronothiophene-2-carboxylic acid is primarily used as a key intermediate in Suzuki-Miyaura cross-coupling reactions for synthesizing biaryl compounds in medicinal chemistry. It serves as a versatile precursor for constructing heterocyclic scaffolds in drug discovery, particularly for kinase inhibitors and anticancer agents. Researchers also employ it in materials science for developing conductive polymers and organic electronics due to its thiophene moiety.

Safety and Hazards

GHS Hazard Statements

  • H315 (97.6%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (97.6%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Precautionary Statements

  • P264, P264+P265, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, and P362+P364

Hazard Classes and Categories

  • Skin Irrit. 2 (97.6%)
  • Eye Irrit. 2 (97.6%)

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

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

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  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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