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98437-23-1 - Benzo[b]thiophene-2-boronic acid, 98% - Thianaphthene-2-boronic acid - B22835 - Alfa Aesar

B22835 Benzo[b]thiophene-2-boronic acid, 98%

CAS Number
Thianaphthene-2-boronic acid

Size Price ($) Quantity Availability
1g 20.48
5g 64.87
25g 216.90
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Benzo[b]thiophene-2-boronic acid, 98%


Chemical Properties

Formula Weight
Melting point
ca 255°
Insoluble in water.


Benzo[b]thiophene-2-boronic acid is used in the synthesis of phosphorescent sensor for quantification of copper(II) ion, UV promoted phenanthridine syntheses, Preparation of CYP11B1 inhibitors for treatment of cortisol dependent diseases, PDE4 inhibitors, Suzuki-Miyaura cross-coupling reactions.


Store in cool, dry conditions in a sealed container. Incompatible with oxidizing agents.

Literature References

Frédéric J.J. Bihel; Hélène Justiniano; Martine Schmitt; Malik Hellal; Mohamed A. Ibrahim; Claire Lugnier; Jean-Jacques Bourguigno. New PDE4 inhibitors based on pharmacophoric similarity between papaverine and tofisopam. Bioorganic & Medicinal Chemistry Letters. 2011, 21 (21), 6567-6572.

Partha S. Banerjee; Edison S. Zuniga; Iwao Ojima; Isaac S. Carrico. Targeted and armed oncolytic adenovirus via chemoselective modification. Bioorganic & Medicinal Chemistry Letters. 2011, 21, (17), 4985-4988.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Harmonized Tariff Code


  • A12646

    Triethylamine, 99%
  • B23071

    Thiophene-2-boronic acid, 98%
  • B23676

    Benzo[b]furan-2-boronic acid, 98%
  • L01554

    Trifluoroacetaldehyde ethyl hemiacetal, tech. 80%
  • 89541

    Chloroform-d, 99.8% (Isotopic)

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