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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$212.9
  • Updated2025-07-31
  • 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 $212.9 2025-07-31 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)
form :solid
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 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
CONIER CHEM AND PHARMA LIMITED
Blocksynth Pharmaceutical Technology Co.,Ltd
Dayang Chem (Hangzhou) Co.,Ltd.
PT CHEM GROUP LIMITED
GIHI CHEMICALS CO.,LIMITED
Amadis Chemical Company Limited J & K SCIENTIFIC LTD. Shanghai Hanhong Scientific Co.,Ltd. Chemsky (shanghai) International Co.,Ltd