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4-Thiouracil

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4-Thiouracil
Names
Preferred IUPAC name 4-Sulfanylidene-3,4-dihydropyrimidin-2(1H)-one
Identifiers
CAS Number
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.155.914 Edit this at Wikidata
MeSH Thiouracil
PubChem CID
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C4H4N2OS/c7-4-5-2-1-3(8)6-4/h1-2H,(H2,5,6,7,8)Key: OVONXEQGWXGFJD-UHFFFAOYSA-N
SMILES
  • O=C1\C=C/NC(=S)N1
Properties
Chemical formula C4H4N2OS
Molar mass 128.15 g·mol
Melting point 295 °C (563 °F; 568 K) (decomp.)
Hazards
GHS labelling:
Pictograms GHS07: Exclamation mark
Signal word Warning
Hazard statements H302, H312, H332
Precautionary statements P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P312, P304+P340, P312, P322, P330, P363, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

4-Thiouracil is a heterocyclic organic compound having a pyrimidine skeleton. It is a derivative of the nucleobase uracil with a sulfur instead of oxygen in position 4. It is found naturally in the 4-thiouridine nucleoside.

References

  1. Sigma-Aldrich Co., 4-Thiouracil. Retrieved on 19 March 2019.
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