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Sigma-Aldrich

5-Bromo-2-thiophenecarboxylic acid

97%

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About This Item

Empirical Formula (Hill Notation):
C5H3BrO2S
CAS Number:
Molecular Weight:
207.05
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

97%

mp

141-144 °C (lit.)

storage temp.

2-8°C

SMILES string

OC(=O)c1ccc(Br)s1

InChI

1S/C5H3BrO2S/c6-4-2-1-3(9-4)5(7)8/h1-2H,(H,7,8)

InChI key

COWZPSUDTMGBAT-UHFFFAOYSA-N

Application

5-Bromo-2-thiophenecarboxylic acid may be used in the preparation of:
  • 5-bromo-2-thiophenecarboxylic acid butyl ester
  • sulphonyl-tetrafluorophenyl (STP) esters
  • new porphyrin sensitizers based on donor-Π-acceptor (D-Π-A) approach

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Effect of ester moieties in dye structures on photoinduced reorientation of dye-doped liquid crystals.
Yaegashi M, et al.
Chemistry of Materials, 17(17), 4304-4309 (2005)
Massimo L Capobianco et al.
Molecules (Basel, Switzerland), 17(1), 910-933 (2012-01-20)
This paper summarizes some of our results on the application of oligothiophenes as fluorescent markers for biological studies. The oligomers of thiophene, widely known for their semiconductor properties in organic electronics, are also fluorescent compounds characterized by chemical and optical
Mareedu Sreenivasu et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 20(43), 14074-14083 (2014-09-12)
New porphyrin sensitizers based on donor-π-acceptor (D-π-A) approach have been designed, synthesized, characterized by various spectroscopic techniques and their photovoltaic properties explored. N,N'-Diphenylamine acts as donor, the porphyrin is the π-spacer, and either carboxylic acid or cyanoacryclic acid acts as
THE SYNTHESIS AND CHARACTERIZATION OF AMPHIPHILIC a, a'-DISUBSTITUTED OLIGOTHIOPHENES.
Ko KS, et al.
Polymer Preprints (American Chemical Society, Division of Polymer Chemistry), 47(20, 787-787 (2006)
Samson Jegan Jennifer et al.
Chemistry Central journal, 7(1), 139-139 (2013-08-16)
Lead is a heavy toxic metal element in biological systems and is one of the major pollutants as a result of its widespread use in industries. In spite of its negative roles the coordination chemistry of Pb(II) complexes is a

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