Basic information
Price
Properties
Safety
Description
Related
Supplier
More related
my chemicalbook
En
日本語の
ChemicalBook
CAS DataBase List
5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
$80 - $2055.9
Product name
5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
Cas No
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
show less
show more
Price
24 prices
Brand
less
more
Sigma-Aldrich
Chemenu
Alichem
Crysdot
TRC
AK Scientific
American Custom Chemicals Corporation
Biosynth
ChemBridge Corporation
Package
less
more
250mg
500mg
1g
2g
5g
10g
Clear All
Done
Brand
Packaging
Price
Product name
AK Scientific
0899AQ
1g
$320
5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid
Alichem
499785
5g
$577.8
5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid
Alichem
499785
10g
$924
5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid
American Custom Chemicals Corporation
CHM0114847
10G
$2055.9
5-HYDROXY-4-OXO-4H-PYRAN-2-CARBOXYLIC ACID
American Custom Chemicals Corporation
CHM0114847
1G
$716.1
5-HYDROXY-4-OXO-4H-PYRAN-2-CARBOXYLIC ACID
Biosynth
FC20547
5G
$425
Comenic acid
Biosynth
FC20547
500mg
$80
Comenic acid
Biosynth
FC20547
1g
$120
Comenic acid
Biosynth
FC20547
10g
$700
Comenic acid
Biosynth
FC20547
2g
$200
Comenic acid
1
of
3
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)
Signal word
Warning
Hazard statements
H302:
Harmful if swallowed
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.
Related product price
499-78-5
$80-2055.9
Kojic acid
$5-2270
COMANIC ACID
$17-588.06
Suppliers and manufacturers
Shaanxi Dideu Medichem Co. Ltd
$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
Zjartspharm Co., Ltd
Amadis Chemical Company Limited
J & K SCIENTIFIC LTD.
Shanghai Hanhong Scientific Co.,Ltd.
More related product prices
499-78-5
Kojic acid
COMANIC ACID
Send Inquriy