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ChemicalBook >> CAS DataBase List >> 5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid

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

5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid price.
  • $80 - $2055.9
  • Product name: 5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
  • CAS: 499-78-5
  • MF: C6H4O5
  • MW: 156.09
  • EINECS:207-891-7
  • MDL Number:MFCD03085981
  • 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
Price18 Properties Safety Information Description
18 prices
Selected condition：
Brand
  • AK Scientific
  • Alichem
  • American Custom Chemicals Corporation
  • Biosynth Carbosynth
  • ChemBridge Corporation
  • Chemenu
  • Crysdot
  • Sigma-Aldrich
  • TRC
Package
  • 250mg
  • 500mg
  • 1g
  • 2g
  • 5g
  • 10g
  • ManufacturerAK Scientific
  • Product number0899AQ
  • Product description5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid
  • Packaging1g
  • Price$320
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number499785
  • Product description5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid
  • Packaging5g
  • Price$577.8
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number499785
  • Product description5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid
  • Packaging10g
  • Price$924
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0114847
  • Product description5-HYDROXY-4-OXO-4H-PYRAN-2-CARBOXYLIC ACID 95.00%
  • Packaging1G
  • Price$716.1
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0114847
  • Product description5-HYDROXY-4-OXO-4H-PYRAN-2-CARBOXYLIC ACID 95.00%
  • Packaging10G
  • Price$2055.9
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFC20547
  • Product descriptionComenic acid
  • Packaging500mg
  • Price$80
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFC20547
  • Product descriptionComenic acid
  • Packaging1g
  • Price$120
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFC20547
  • Product descriptionComenic acid
  • Packaging2g
  • Price$200
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFC20547
  • Product descriptionComenic acid
  • Packaging5G
  • Price$425
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth Carbosynth
  • Product numberFC20547
  • Product descriptionComenic acid
  • Packaging10g
  • Price$700
  • Updated2021-12-16
  • Buy
  • ManufacturerChemBridge Corporation
  • Product numberBB-4001614
  • Product description5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid 95%
  • Packaging250mg
  • Price$84
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM305905
  • Product description5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid 95%
  • Packaging5g
  • Price$599
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM305905
  • Product description5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid 95%
  • Packaging10g
  • Price$975
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD11115900
  • Product description5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid 95+%
  • Packaging5g
  • Price$535
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD11115900
  • Product description5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid 95+%
  • Packaging10g
  • Price$872
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number681970
  • Product description5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid 97%
  • Packaging1g
  • Price$104
  • Updated2024-03-01
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AK Scientific 0899AQ 5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid 1g $320 2021-12-16 Buy
Alichem 499785 5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid 5g $577.8 2021-12-16 Buy
Alichem 499785 5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid 10g $924 2021-12-16 Buy
American Custom Chemicals Corporation CHM0114847 5-HYDROXY-4-OXO-4H-PYRAN-2-CARBOXYLIC ACID 95.00% 1G $716.1 2021-12-16 Buy
American Custom Chemicals Corporation CHM0114847 5-HYDROXY-4-OXO-4H-PYRAN-2-CARBOXYLIC ACID 95.00% 10G $2055.9 2021-12-16 Buy
Biosynth Carbosynth FC20547 Comenic acid 500mg $80 2021-12-16 Buy
Biosynth Carbosynth FC20547 Comenic acid 1g $120 2021-12-16 Buy
Biosynth Carbosynth FC20547 Comenic acid 2g $200 2021-12-16 Buy
Biosynth Carbosynth FC20547 Comenic acid 5G $425 2021-12-16 Buy
Biosynth Carbosynth FC20547 Comenic acid 10g $700 2021-12-16 Buy
ChemBridge Corporation BB-4001614 5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid 95% 250mg $84 2021-12-16 Buy
Chemenu CM305905 5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid 95% 5g $599 2021-12-16 Buy
Chemenu CM305905 5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid 95% 10g $975 2021-12-16 Buy
Crysdot CD11115900 5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid 95+% 5g $535 2021-12-16 Buy
Crysdot CD11115900 5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid 95+% 10g $872 2021-12-16 Buy
Sigma-Aldrich 681970 5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid 97% 1g $104 2024-03-01 Buy
Next Last

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)
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

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning GHS hazard pictograms P264, P270, P301+P312, P330, P501
Precautionary statements:
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Building block for an intramolecular olefin-α-pyrone cycloaddition providing the colchicine ring skeleton.

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Suppliers and manufacturers

Shaanxi Dideu Medichem Co. Ltd
5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
$1.00 /1KG
5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid CAS:499-78-5
Hangzhou FandaChem Co.,Ltd.
CONIER CHEM AND PHARMA LIMITED
Blocksynth Pharmaceutical Technology Co.,Ltd
Dayang Chem (Hangzhou) Co.,Ltd.
PT CHEM GROUP LIMITED
GIHI CHEMICALS CO.,LIMITED
China National Standard Pharmaceutical Corporation Limited
Amadis Chemical Company Limited J & K SCIENTIFIC LTD.