2-(4H-Pyran-4-ylidene)acetic acid

CAS Registry Number®

5270-52-0

CAS Name

2-(4H-Pyran-4-ylidene)acetic acid

Molecular Formula

C7H6O3

Molecular Mass

138.12

Cite this Page

2-(4H-Pyran-4-ylidene)acetic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=5270-52-0 (retrieved 2025-08-02) (CAS RN: 5270-52-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C7H6O3/c8-7(9)5-6-1-3-10-4-2-6/h1-5H,(H,8,9)

InChIKey

InChIKey=HYKKWVZMCDKLET-UHFFFAOYSA-N

SMILES

C(C(O)=O)=C1C=COC=C1

Canonical SMILES

O=C(O)C=C1C=COC=C1

Other Names for this Substance

  • Acetic acid, 2-(4H-pyran-4-ylidene)-
  • 4H-Pyran-Δ4,α-acetic acid
  • Acetic acid, 4H-pyran-4-ylidene-
  • 2-(4H-Pyran-4-ylidene)acetic acid

CAS INSIGHTSTM
This is the vasculature of an actual heart (porcine heart, identical to human heart).