2-Thiophenecarboxaldehyde

CAS Registry Number®

98-03-3

CAS Name

2-Thiophenecarboxaldehyde

Molecular Formula

C5H4OS

Molecular Mass

112.15

Cite this Page

2-Thiophenecarboxaldehyde.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=98-03-3 (retrieved 2025-03-29) (CAS RN: 98-03-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    197-198 °C

  • Melting Point (2)

    169 °C

  • Density (3)

    1.24847 g/cm³ @ Temp: 10 °C; Press: 2.3 x 10⁵ Torr

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C5H4OS/c6-4-5-2-1-3-7-5/h1-4H

InChIKey

InChIKey=CNUDBTRUORMMPA-UHFFFAOYSA-N

SMILES

C(=O)C1=CC=CS1

Canonical SMILES

O=CC=1SC=CC1

Other Names for this Substance

  • 2-Thiophenecarboxaldehyde
  • α-Thiophenecarboxaldehyde
  • 2-Formylthiophene
  • 2-Thiophenealdehyde
  • α-Formylthiophene

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