(2E)-4-(5-Methyl-2-thienyl)-4-oxo-2-butenoic acid

CAS Registry Number®

71150-03-3

CAS Name

(2E)-4-(5-Methyl-2-thienyl)-4-oxo-2-butenoic acid

Molecular Formula

C9H8O3S

Molecular Mass

196.22

Cite this Page

(2E)-4-(5-Methyl-2-thienyl)-4-oxo-2-butenoic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=71150-03-3 (retrieved 2025-06-06) (CAS RN: 71150-03-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    150-155 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C9H8O3S/c1-6-2-4-8(13-6)7(10)3-5-9(11)12/h2-5H,1H3,(H,11,12)/b5-3+

InChIKey

InChIKey=HTAQERVXTCTBHX-HWKANZROSA-N

SMILES

C(/C=C/C(O)=O)(=O)C=1SC(C)=CC1

Canonical SMILES

O=C(O)C=CC(=O)C=1SC(=CC1)C

Other Names for this Substance

  • 2-Butenoic acid, 4-(5-methyl-2-thienyl)-4-oxo-, (2E)-
  • 2-Butenoic acid, 4-(5-methyl-2-thienyl)-4-oxo-, (E)-
  • (2E)-4-(5-Methyl-2-thienyl)-4-oxo-2-butenoic acid

CAS INSIGHTSTM
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