440736
4-Thiouracil
97%
Synonym(s):
2-Hydroxy-4-mercaptopyrimidine
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About This Item
Empirical Formula (Hill Notation):
C4H4N2OS
CAS Number:
Molecular Weight:
128.15
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
Assay
97%
form
powder
mp
295 °C (dec.) (lit.)
solubility
1 M NaOH: soluble 50 mg/mL
SMILES string
Oc1nccc(S)n1
InChI
1S/C4H4N2OS/c7-4-5-2-1-3(8)6-4/h1-2H,(H2,5,6,7,8)
InChI key
OVONXEQGWXGFJD-UHFFFAOYSA-N
Related Categories
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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The journal of physical chemistry. B, 118(22), 5864-5872 (2014-05-14)
Intensified research interests are posed with the thionucleobase 4-thiouracil (4-TU), due to its important biological function as site-specific photoprobe to detect RNA structures and nucleic acid-nucleic acid contacts. By means of time-resolved IR spectroscopy and density functional theory (DFT) studies
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The 'RNA world' hypothesis proposes that early life developed by making use of RNA molecules, rather than proteins, to catalyse the synthesis of important biological molecules. It is thought, however, that the nucleotides constituting RNA were scarce on early Earth.
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