5-Amino-1,2-dihydro-3H-1,2,4-triazol-3-one

CAS Registry Number®

1003-35-6
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CAS Name

5-Amino-1,2-dihydro-3H-1,2,4-triazol-3-one

Molecular Formula

C2H4N4O

Molecular Mass

100.08

Cite this Page

5-Amino-1,2-dihydro-3H-1,2,4-triazol-3-one.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=1003-35-6 (retrieved 2024-04-18) (CAS RN: 1003-35-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    286-290 °C (decomp)

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C2H4N4O/c3-1-4-2(7)6-5-1/h(H4,3,4,5,6,7)

InChIKey

InChIKey=XOHBRLLZSIGHDE-UHFFFAOYSA-N

SMILES

NC=1NC(=O)NN1

Canonical SMILES

O=C1NN=C(N)N1

Other Names for this Substance

  • 3H-1,2,4-Triazol-3-one, 5-amino-1,2-dihydro-
  • Δ2-1,2,4-Triazolin-5-one, 3-amino-
  • s-Triazol-3-ol, 5-amino-
  • 5-Amino-1,2-dihydro-3H-1,2,4-triazol-3-one
  • 3-Amino-5-hydroxy-1,2,4-triazole

Deleted or Replaced CAS Registry Numbers

38144-96-6, 41266-75-5

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