681970
5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid
97%
Synonym(s):
2-Carboxy-5-hydroxy-4-pyrone, Comenic acid
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About This Item
Empirical Formula (Hill Notation):
C6H4O5
CAS Number:
Molecular Weight:
156.09
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
Assay
97%
form
solid
mp
284-294 °C
SMILES string
OC(=O)C1=CC(=O)C(O)=CO1
InChI
1S/C6H4O5/c7-3-1-5(6(9)10)11-2-4(3)8/h1-2,8H,(H,9,10)
InChI key
UUUICOMMFFTCHS-UHFFFAOYSA-N
Related Categories
Application
Building block for an intramolecular olefin-α-pyrone cycloaddition providing the colchicine ring skeleton.
Signal Word
Warning
Hazard 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
Certificates of Analysis (COA)
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Tetrahedron, 49, 2839-2839 (1993)
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