7-(2-Propyn-1-yloxy)-2H-1-benzopyran-2-one

CAS Registry Number®

67268-42-2

CAS Name

7-(2-Propyn-1-yloxy)-2H-1-benzopyran-2-one

Molecular Formula

C12H8O3

Molecular Mass

200.19

Cite this Page

7-(2-Propyn-1-yloxy)-2H-1-benzopyran-2-one.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=67268-42-2 (retrieved 2025-07-16) (CAS RN: 67268-42-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    118-120 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C12H8O3/c1-2-7-14-10-5-3-9-4-6-12(13)15-11(9)8-10/h1,3-6,8H,7H2

InChIKey

InChIKey=IEHFVZKMAOKFTR-UHFFFAOYSA-N

SMILES

O(CC#C)C=1C=C2C(=CC1)C=CC(=O)O2

Canonical SMILES

O=C1OC=2C=C(OCC#C)C=CC2C=C1

Other Names for this Substance

  • 2H-1-Benzopyran-2-one, 7-(2-propyn-1-yloxy)-
  • 2H-1-Benzopyran-2-one, 7-(2-propynyloxy)-
  • 7-(2-Propyn-1-yloxy)-2H-1-benzopyran-2-one
  • 7-(Propargyloxy)coumarin
  • 7-O-Propargylumbelliferone

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