| Identification | Back Directory | [Name]
5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid | [CAS]
499-78-5 | [Synonyms]
Comenic acid
5-Hydroxy-4-oxo-
5-hydroxy-4-pyrone-2-carboxylic acid
5-hydroxy-4-oxo-2-pyrancarboxylic acid
5-hydroxy-4-oxopyran-2-carboxylic acid
5-hydroxy-4-oxo-pyran-2-carboxylic acid
5-hydroxy-4-keto-pyran-2-carboxylic acid
4H-Pyran-2-carboxylic acid, 5-hydroxy-4-oxo-
2-Carboxy-5-hydroxy-4-pyrone, Comenic acid
5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid(SALTDATA: FREE) | [EINECS(EC#)]
207-891-7 | [Molecular Formula]
C6H4O5 | [MDL Number]
MFCD03085981 | [MOL File]
499-78-5.mol | [Molecular Weight]
156.09 |
| Chemical Properties | Back Directory | [Melting point ]
284-294 °C | [Boiling point ]
240.29°C (rough estimate) | [density ]
1.5720 (rough estimate) | [refractive index ]
1.6400 (estimate) | [form ]
solid | [pka]
1.70±0.20(Predicted) | [Water Solubility ]
5.1g/L(25 ºC) | [InChI]
1S/C6H4O5/c7-3-1-5(6(9)10)11-2-4(3)8/h1-2,8H,(H,9,10) | [InChIKey]
UUUICOMMFFTCHS-UHFFFAOYSA-N | [SMILES]
OC(=O)C1=CC(=O)C(O)=CO1 | [EPA Substance Registry System]
4H-Pyran-2-carboxylic acid, 5-hydroxy-4-oxo- (499-78-5) |
| Safety Data | Back Directory | [Hazard Codes ]
Xn | [Risk Statements ]
22 | [WGK Germany ]
3 | [TSCA ]
TSCA listed | [Storage Class]
11 - Combustible Solids | [Hazard Classifications]
Acute Tox. 4 Oral |
| Hazard Information | Back Directory | [Uses]
5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid can be used in the regenerative anti-inflammatory composition
| [Uses]
Building block for an intramolecular olefin-α-pyrone cycloaddition providing the colchicine ring skeleton. |
|
| Company Name: |
SynAsst Chemical.
|
| Tel: |
021-60343070 |
| Website: |
www.chemicalbook.com/ShowSupplierProductsList15848/0_EN.htm |
| Company Name: |
Sigma-Aldrich
|
| Tel: |
021-61415566 800-8193336 |
| Website: |
https://www.sigmaaldrich.cn |
| Company Name: |
TOSUN PHARM
|
| Tel: |
020-61855200 13326451905 |
| Website: |
www.toref.cn/ |
|