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Barbituric acid

CAS Registry Number®

67-52-7

CAS Name

Barbituric acid

Molecular Formula

C4H4N2O3

Molecular Mass

128.09

Cite this Page

Barbituric acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=67-52-7 (retrieved 2024-12-26) (CAS RN: 67-52-7).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    248 °C

  • Density (2)

    1.17 g/cm³ @ Temp: 236 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C4H4N2O3/c7-2-1-3(8)6-4(9)5-2/h1H2,(H2,5,6,7,8,9)

InChIKey

InChIKey=HNYOPLTXPVRDBG-UHFFFAOYSA-N

SMILES

O=C1CC(=O)NC(=O)N1

Canonical SMILES

O=C1NC(=O)CC(=O)N1

Other Names for this Substance

  • 2,4,6(1H,3H,5H)-Pyrimidinetrione
  • Barbituric acid
  • 2,4,6-Trioxohexahydropyrimidine
  • Malonylurea
  • 2,4,6-Pyrimidinetriol

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Deleted or Replaced CAS Registry Numbers

16564-27-5, 20964-57-2, 32267-40-6, 42910-84-9, 51159-18-3, 53853-41-1, 63896-95-7, 117491-80-2, 118738-52-6, 154254-45-2, 158217-19-7, 160336-60-7, 223674-02-0, 253678-06-7, 253678-07-8, 253678-08-9, 408335-37-5, 465532-08-5, 477705-05-8, 678184-94-6, 774592-06-2, 860760-03-8, 888733-51-5, 914348-20-2, 944357-77-1, 1030660-92-4, 1175001-15-6, 1227251-16-2, 1333204-15-1, 1351684-07-5, 1392108-86-9, 1696408-95-3, 1802859-89-7, 1811546-22-1, 1825368-05-5, 1888309-80-5, 1906914-02-0, 2171459-71-3, 2258646-20-5

CAS INSIGHTSTM
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