4H-1-Benzothiopyran-4-one

CAS Registry Number®

491-39-4

CAS Name

4H-1-Benzothiopyran-4-one

Molecular Formula

C9H6OS

Molecular Mass

162.21

Cite this Page

4H-1-Benzothiopyran-4-one.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=491-39-4 (retrieved 2025-03-29) (CAS RN: 491-39-4).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    115-130 °C @ Press: 2-3 Torr

  • Melting Point (2)

    93 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C9H6OS/c10-8-5-6-11-9-4-2-1-3-7(8)9/h1-6H

InChIKey

InChIKey=DHSYDTXGFJPXKA-UHFFFAOYSA-N

SMILES

O=C1C=2C(SC=C1)=CC=CC2

Canonical SMILES

O=C1C=CSC=2C=CC=CC12

Other Names for this Substance

  • 4H-1-Benzothiopyran-4-one
  • 1-Thiochromone
  • Thiachromone
  • Thiochromone
  • Thiachromon

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