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Sigma-Aldrich

3-Chloro-benzo[b]thiophene-2-carboxylic acid

97%

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About This Item

Empirical Formula (Hill Notation):
C9H5ClO2S
CAS Number:
Molecular Weight:
212.65
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

97%

form

solid

mp

268-272 °C (lit.)

SMILES string

OC(=O)c1sc2ccccc2c1Cl

InChI

1S/C9H5ClO2S/c10-7-5-3-1-2-4-6(5)13-8(7)9(11)12/h1-4H,(H,11,12)

InChI key

HJTMIYKPPPYDRJ-UHFFFAOYSA-N

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Application

3-Chloro-benzo[b]thiophene-2-carboxylic acid may be used in the synthesis of the following:
  • 5-(3-chlorobenzo[b]thiophen-2-yl)-1,3,4-thiadiazol-2-ylamine via condensation with thiosemicarbazide in the presence of POCl3
  • 2-benzo[b]thiophen-2-yl-6-methylbenzo[d][1;3]oxazi-4-one via reaction with 2-amino-5-methyl-benzoic acid in the presence of carbonyl diimidazole

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Acute Tox. 4 Oral

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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Synthesis and biological activity of new 1,3,4-thiadiazole derivatives?
Aly.A.A and Sayed-LE.R
Chemical Papers, 60(01), 56-60 (2006)
Neutral Inhibitors of the Serine Protease Factor Xa?
Shrader.DW, et al.
Bioorganic & Medicinal Chemistry Letters, 11(14), 1801- 1804 (2001)
Michael D Neinast et al.
Cell metabolism, 29(2), 417-429 (2018-11-20)
Elevations in branched-chain amino acids (BCAAs) associate with numerous systemic diseases, including cancer, diabetes, and heart failure. However, an integrated understanding of whole-body BCAA metabolism remains lacking. Here, we employ in vivo isotopic tracing to systemically quantify BCAA oxidation in healthy

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