1,3-Dihydro-1,3-dioxo-5-isobenzofuransulfonic acid

CAS Registry Number®

134-08-7

CAS Name

1,3-Dihydro-1,3-dioxo-5-isobenzofuransulfonic acid

Molecular Formula

C8H4O6S

Molecular Mass

228.18

Cite this Page

1,3-Dihydro-1,3-dioxo-5-isobenzofuransulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=134-08-7 (retrieved 2024-12-03) (CAS RN: 134-08-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C8H4O6S/c9-7-5-2-1-4(15(11,12)13)3-6(5)8(10)14-7/h1-3H,(H,11,12,13)

InChIKey

InChIKey=VJDQIBUPTBGINF-UHFFFAOYSA-N

SMILES

O=C1C=2C(C(=O)O1)=CC=C(S(=O)(=O)O)C2

Canonical SMILES

O=C1OC(=O)C2=CC(=CC=C12)S(=O)(=O)O

Other Names for this Substance

  • 5-Isobenzofuransulfonic acid, 1,3-dihydro-1,3-dioxo-
  • Phthalic anhydride, 4-sulfo-
  • 1,3-Dihydro-1,3-dioxo-5-isobenzofuransulfonic acid
  • 4-Sulfophthalic anhydride
  • NSC 26435

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