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542393

Sigma-Aldrich

4-Methyl-3-thienylboronic acid

≥95%

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Synonym(s):
(4-Methylthien-3-yl)boronic acid, (4-Methylthiophen-3-yl)boronic acid, (4-Methylthiophen-3-yl)dihydroxyborane, 4-Methyl-3-thiopheneboronic acid
Empirical Formula (Hill Notation):
C5H7BO2S
CAS Number:
177735-11-4
Molecular Weight:
141.98
MDL number:
MFCD04039882
UNSPSC Code:
12352103
PubChem Substance ID:
24878602

Assay

≥95%

mp

138-144 °C (lit.)

storage temp.

2-8°C

SMILES string

Cc1cscc1B(O)O

InChI

1S/C5H7BO2S/c1-4-2-9-3-5(4)6(7)8/h2-3,7-8H,1H3

InChI key

LVPFZXKLROORIK-UHFFFAOYSA-N

Application

Reactant for preparation of biologically active molecules:
  • Selective sphingosine phosphate receptor antagonists
  • Biarylimidazole derivatives as H+/K+ ATPase inhibitors
  • Benzothienopyrimidinones as inhibitors of human protooncogene proviral insertion site in moloney murine leukemia virus kinases

Used in:
  • Synthesis of arene-functionalized fullerenes via rhodium-catalyzed hydroarylation
  • Suzuki cross-coupling reactions

Analysis Note

May contain up to 1 equivalent of water

Other Notes

Contains varying amounts of anhydride.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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