5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid

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Company Name:	CONIER CHEM AND PHARMA LIMITED
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Products Intro:	Product Name:5-HYDROXY-4-OXO-4H-PYRAN-2-CARBOXYLIC ACID CAS:499-78-5 Purity:0.99 Package:1kg

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Company Name:	Dayang Chem (Hangzhou) Co.,Ltd.
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5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid manufacturers

5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid Basic information

Product Name:	5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
Synonyms:	5-Hydroxy-4-oxo-;5-hydroxy-4-keto-pyran-2-carboxylic acid;5-hydroxy-4-oxo-pyran-2-carboxylic acid;5-hydroxy-4-oxopyran-2-carboxylic acid;5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid(SALTDATA: FREE);2-Carboxy-5-hydroxy-4-pyrone, Comenic acid;Comenic acid;5-hydroxy-4-pyrone-2-carboxylic acid
CAS:	499-78-5
MF:	C6H4O5
MW:	156.09
EINECS:	207-891-7
Product Categories:	Heterocycles;Intermediates & Fine Chemicals;Pharmaceuticals;API intermediates
Mol File:	499-78-5.mol

5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid Chemical Properties

Melting point	284-294 °C
Boiling point	240.29°C (rough estimate)
density	1.5720 (rough estimate)
refractive index	1.6400 (estimate)
pka	1.70±0.20(Predicted)
form	solid
Water Solubility	5.1g/L(25 ºC)
EPA Substance Registry System	4H-Pyran-2-carboxylic acid, 5-hydroxy-4-oxo- (499-78-5)

Safety Information

MSDS Information

5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid Usage And Synthesis

Uses	Building block for an intramolecular olefin-α-pyrone cycloaddition providing the colchicine ring skeleton.
Uses	5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid can be used in the regenerative anti-inflammatory composition

5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid Preparation Products And Raw materials

Tag:5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid(499-78-5) Related Product Information

5-HYDROXY-4-OXO-4H-PYRAN-2-CARBOXYLIC ACID ETHYL ESTER COMANIC ACID Kojic acid 6-(Dipropylamino)-5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid 5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid methyl ester 5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid

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