ChemicalBook >> CAS DataBase List >>5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
- CAS No.
- 499-78-5
- Chemical Name:
- 5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
- Synonyms
- Comenic acid;5-Hydroxy-4-oxo-;Kojic Impurity 9;Avobenzone Impurity 2;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-
- CBNumber:
- CB5901669
- Molecular Formula:
- C6H4O5
- Molecular Weight:
- 156.09
- MDL Number:
- MFCD03085981
- MOL File:
- 499-78-5.mol
- MSDS File:
- SDS
Last updated:2024-07-26 15:15:06
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
Risk and Safety Statements
Symbol(GHS) | GHS07 |
---|---|
Signal word | Warning |
Hazard statements | H302 |
Precautionary statements | P280-P305+P351+P338 |
Hazard Codes | Xn |
Risk Statements | 22 |
WGK Germany | 3 |
5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid price More Price(18)
Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
---|---|---|---|---|---|---|---|
Sigma-Aldrich | 681970 | 5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid 97% | 499-78-5 | 1g | $104 | 2024-03-01 | Buy |
Sigma-Aldrich | 681970 | 5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid 97% | 499-78-5 | 5g | $526.8 | 2024-03-01 | Buy |
TRC | C643500 | ComenicAcid | 499-78-5 | 1g | $130 | 2021-12-16 | Buy |
Biosynth Carbosynth | FC20547 | Comenic acid | 499-78-5 | 2g | $200 | 2021-12-16 | Buy |
AK Scientific | 0899AQ | 5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid | 499-78-5 | 1g | $320 | 2021-12-16 | Buy |
5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 40)Suppliers
Supplier | Tel | Country | ProdList | Advantage | |
---|---|---|---|---|---|
Shaanxi Dideu Medichem Co. Ltd | 18192627656 | 1012@dideu.com | China | 3002 | 58 |
Hangzhou FandaChem Co.,Ltd. | 008657128800458; +8615858145714 | fandachem@gmail.com | China | 9265 | 55 |
CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49403 | 58 |
Blocksynth Pharmaceutical Technology Co.,Ltd | 0086-19817745290; +8619817745290 | bd@blocksynth.com | China | 5660 | 58 |
Dayang Chem (Hangzhou) Co.,Ltd. | 571-88938639 +8617705817739 | info@dycnchem.com | China | 52861 | 58 |
PT CHEM GROUP LIMITED | peter68@ptchemgroup.com | China | 35426 | 58 | |
GIHI CHEMICALS CO.,LIMITED | +8618058761490 | info@gihichemicals.com | China | 50003 | 58 |
China National Standard Pharmaceutical Corporation Limited | +8615391658522 | overseasales@yongstandards.com | China | 11927 | 58 |
Amadis Chemical Company Limited | 571-89925085 | sales@amadischem.com | China | 131980 | 58 |
J & K SCIENTIFIC LTD. | 010-82848833 400-666-7788 | jkinfo@jkchemical.com | China | 96815 | 76 |
View Lastest Price from 5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid manufacturers
Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
---|---|---|---|---|---|---|---|---|
2024-07-26 | 5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
499-78-5
|
US $1.00-2.00 / KG | 1KG | 99% | 100000KG | Shaanxi Dideu Medichem Co. Ltd |
- 5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid
499-78-5
- US $1.00-2.00 / KG
- 99%
- Shaanxi Dideu Medichem Co. Ltd
499-78-5(5-hydroxy-4-oxo-4H-pyran-2-carboxylic acid )Related Search:
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
5-hydroxy-4-oxo-2-pyrancarboxylic acid
4H-Pyran-2-carboxylic acid, 5-hydroxy-4-oxo-
Kojic Impurity 9
Avobenzone Impurity 2
499-78-5
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Pharmaceuticals
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