Thiouracil

CAS Registry Number®

141-90-2

CAS Name

Thiouracil

Molecular Formula

C4H4N2OS

Molecular Mass

128.15

Cite this Page

Thiouracil.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=156-82-1 (retrieved 2024-12-22) (CAS RN: 141-90-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    >340 °C (decomp)

Source(s)

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

Other Names and Identifiers

InChI

InChI=1S/C4H4N2OS/c7-3-1-2-5-4(8)6-3/h1-2H,(H2,5,6,7,8)

InChIKey

InChIKey=ZEMGGZBWXRYJHK-UHFFFAOYSA-N

SMILES

O=C1NC(=S)NC=C1

Canonical SMILES

O=C1C=CNC(=S)N1

Other Names for this Substance

  • 4(1H)-Pyrimidinone, 2,3-dihydro-2-thioxo-
  • Uracil, 2-thio-
  • 2,3-Dihydro-2-thioxo-4(1H)-pyrimidinone
  • 6-Hydroxy-2-mercaptopyrimidine
  • 2-Mercapto-4-hydroxypyrimidine

View All

Deleted or Replaced CAS Registry Numbers

107646-88-8, 107646-89-9, 156-82-1, 4401-53-0, 4401-54-1

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