o-Toluenesulfonic acid

CAS Registry Number®

88-20-0

CAS Name

o-Toluenesulfonic acid

Molecular Formula

C7H8O3S

Molecular Mass

172.20

Cite this Page

o-Toluenesulfonic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=88-20-0 (retrieved 2024-11-21) (CAS RN: 88-20-0).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    128.8 °C

  • Melting Point (1)

    67.5 °C

Source(s)

  • (1) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

Other Names and Identifiers

InChI

InChI=1S/C7H8O3S/c1-6-4-2-3-5-7(6)11(8,9)10/h2-5H,1H3,(H,8,9,10)

InChIKey

InChIKey=LBLYYCQCTBFVLH-UHFFFAOYSA-N

SMILES

S(=O)(=O)(O)C1=C(C)C=CC=C1

Canonical SMILES

O=S(=O)(O)C=1C=CC=CC1C

Other Names for this Substance

  • Benzenesulfonic acid, 2-methyl-
  • o-Toluenesulfonic acid
  • 2-Methylbenzenesulfonic acid
  • Toluene-2-sulfonic acid
  • o-Methylbenzenesulfonic acid

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CAS INSIGHTSTM
Targeted protein degrader structure, illustration