5-Amino-2,4-dihydro-4-(2-phenyldiazenyl)-3H-pyrazol-3-one

CAS Registry Number®

19197-14-9
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CAS Name

5-Amino-2,4-dihydro-4-(2-phenyldiazenyl)-3H-pyrazol-3-one

Molecular Formula

C9H9N5O

Molecular Mass

203.20

Cite this Page

5-Amino-2,4-dihydro-4-(2-phenyldiazenyl)-3H-pyrazol-3-one.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=19197-14-9 (retrieved 2024-07-05) (CAS RN: 19197-14-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Other Names and Identifiers

InChI

InChI=1S/C9H9N5O/c10-8-7(9(15)14-13-8)12-11-6-4-2-1-3-5-6/h1-5,7H,(H2,10,13)(H,14,15)

InChIKey

InChIKey=KARWINWPVZJLQK-UHFFFAOYSA-N

SMILES

N(=NC1=CC=CC=C1)C2C(N)=NNC2=O

Canonical SMILES

O=C1NN=C(N)C1N=NC=2C=CC=CC2

Other Names for this Substance

  • 3H-Pyrazol-3-one, 5-amino-2,4-dihydro-4-(2-phenyldiazenyl)-
  • 2-Pyrazolin-5-one, 3-amino-4-(phenylazo)-
  • 3H-Pyrazol-3-one, 5-amino-2,4-dihydro-4-(phenylazo)-
  • 5-Amino-2,4-dihydro-4-(2-phenyldiazenyl)-3H-pyrazol-3-one
  • 3-Amino-4-(phenylazo)-2-pyrazolin-5-one

Deleted or Replaced CAS Registry Numbers

2148-65-4, 501355-23-3