CAS 6165-69-1

3-Thienylboronic acid

Description:

3-Thienylboronic acid is an organoboron compound characterized by the presence of a boronic acid functional group attached to a thienyl ring, which is a five-membered aromatic heterocycle containing sulfur. This compound typically exhibits properties such as being a white to off-white solid, with solubility in polar solvents like water and alcohols due to the boronic acid group. It is known for its ability to form reversible covalent bonds with diols, making it useful in various applications, including organic synthesis and as a reagent in cross-coupling reactions, particularly in the formation of carbon-carbon bonds. The thienyl moiety contributes to its electronic properties, enhancing its reactivity in certain chemical transformations. Additionally, 3-thienylboronic acid can serve as a building block in the synthesis of more complex organic molecules, including pharmaceuticals and agrochemicals. Its unique structural features and reactivity make it a valuable compound in both academic research and industrial applications.

Formula: C₄H₅BO₂S

InChI: InChI=1S/C4H5BO2S/c6-5(7)4-1-2-8-3-4/h1-3,6-7H

InChI key: InChIKey=QNMBSXGYAQZCTN-UHFFFAOYSA-N

SMILES: B(O)(O)C=1C=CSC1

Synonyms:

• (Thiophene-3-yl)boronic acid
• 3-Thienylboronic acid
• 3-Thiopheneboric acid
• 3-Thiophenylboronic acid
• B-3-Thienylboronic acid
• Boronic acid, 3-thienyl-
• Boronic acid, B-3-thienyl-
• Thiophen-3-boronic acid
• Thiophen-3-ylboronic acid
• Thiophene-3-boronic acid
• Thiophenyl-3-Boronic Acid

3-Thiopheneboronic Acid (contains varying amounts of Anhydride)

CAS: 6165-69-1

Formula: C₄H₅BO₂S

Purity: 97.0 and le 116.0 %

Color and Shape: White to Light yellow powder to crystal

Molecular weight: 127.95

Ref: 3B-T1975

Thiophene-3-boronic acid

CAS: 6165-69-1

Formula: C₄H₅BO₂S

Purity: 98%

Color and Shape: Solid, Off-white powder

Molecular weight: 127.95

Ref: 10-F011010

Thiophene-3-boronic acid, 98%

CAS: 6165-69-1

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Sci

Formula: C₄H₅BO₂S

Purity: 98%

Color and Shape: Powder, White to pale cream

Molecular weight: 127.95

Ref: 02-B23637

3-Thiopheneboronic acid

CAS: 6165-69-1

Formula: C₄H₅BO₂S

Purity: 98%

Color and Shape: Solid

Molecular weight: 127.9573

Ref: IN-DA0038LK

Thiophene-3-boronic acid

CAS: 6165-69-1

Formula: C₄H₅BO₂S

Molecular weight: 127.96

Ref: 7W-GK3211

Thiophene-3-boronic acid

CAS: 6165-69-1

Thiophene-3-boronic acid

Formula: C₄H₅BO₂S

Purity: ≥95%

Color and Shape: pale yellow solid

Molecular weight: 127.96g/mol

Ref: 54-OR5445