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Sigma-Aldrich

5-Methyl-2-thienylboronic acid

Synonym(s):

(5-Methylthien-2-yl)boronic acid, (5-Methylthiophen-2-yl)dihydroxyborane, 2-Methylthienyl-5-boronic acid, 2-Methylthiophene-5-boronic acid, 5-Methyl-2-thiopheneboronic acid

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About This Item

Empirical Formula (Hill Notation):
C5H7BO2S
CAS Number:
Molecular Weight:
141.98
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:

mp

161.5-166.5 °C (lit.)

storage temp.

2-8°C

SMILES string

Cc1ccc(s1)B(O)O

InChI

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

InChI key

NRIYPIBRPGAWDD-UHFFFAOYSA-N

Application

Reactant for:
  • Suzuki-Miyaura cross-coupling reactions

Other Notes

Contains varying amounts of anhydride

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


Certificates of Analysis (COA)

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