Prontosil

CAS Registry Number®

103-12-8
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CAS Name

Prontosil

Molecular Formula

C12H13N5O2S

Molecular Mass

291.33

Cite this Page

Prontosil.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?ref=103-12-8 (retrieved 2024-04-20) (CAS RN: 103-12-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    249.5 °C

Source(s)

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

Other Names and Identifiers

InChI

InChI=1S/C12H13N5O2S/c13-8-1-6-12(11(14)7-8)17-16-9-2-4-10(5-3-9)20(15,18)19/h1-7H,13-14H2,(H2,15,18,19)

InChIKey

InChIKey=ABBQGOCHXSPKHJ-UHFFFAOYSA-N

SMILES

N(=NC1=C(N)C=C(N)C=C1)C2=CC=C(S(N)(=O)=O)C=C2

Canonical SMILES

O=S(=O)(N)C1=CC=C(N=NC2=CC=C(N)C=C2N)C=C1

Other Names for this Substance

  • Benzenesulfonamide, 4-[2-(2,4-diaminophenyl)diazenyl]-
  • Benzenesulfonamide, p-[(2,4-diaminophenyl)azo]-
  • Prontosil
  • Benzenesulfonamide, 4-[(2,4-diaminophenyl)azo]-
  • 4-[2-(2,4-Diaminophenyl)diazenyl]benzenesulfonamide

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Deleted or Replaced CAS Registry Numbers

498-10-2, 93633-54-6, 1071659-55-6

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