ChemicalBook >> CAS DataBase List >>4-Oxo-4H-1-benzopyran-2-carboxylic acid
4-Oxo-4H-1-benzopyran-2-carboxylic acid
- CAS No.
- 4940-39-0
- Chemical Name:
- 4-Oxo-4H-1-benzopyran-2-carboxylic acid
- Synonyms
- lp-1;atremon;CHROMOCARB;chromocarbe;TIMTEC-BB SBB003660;LABOTEST-BB LT00454887;chromonecarboxylicacid;2-Chromonecarboxylic acid;CHROMONE-2-CARBOXYLIC ACID;Chromone-2-carboxilic acid
- CBNumber:
- CB6322423
- Molecular Formula:
- C10H6O4
- Molecular Weight:
- 190.15
- MDL Number:
- MFCD00006838
- MOL File:
- 4940-39-0.mol
Last updated:2023-05-18 11:31:09
| Melting point | 260 °C (dec.)(lit.) |
|---|---|
| Boiling point | 285.64°C (rough estimate) |
| Density | 1.3366 (rough estimate) |
| refractive index | 1.5280 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | alcohol: soluble |
| pka | 2.28±0.20(Predicted) |
| form | Powder |
| color | White to beige |
| Water Solubility | sparingly soluble |
| Merck | 14,2237 |
| BRN | 146442 |
| CAS DataBase Reference | 4940-39-0(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| FDA UNII | FY38S0790W |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 | |||||||||
| Hazard Codes | Xi | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-36-37/39 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | DJ2476000 | |||||||||
| Hazard Note | Irritant | |||||||||
| HS Code | 29329990 | |||||||||
| Toxicity | LD50 intraperitoneal in mouse: 585mg/kg | |||||||||
| NFPA 704 |
|
4-Oxo-4H-1-benzopyran-2-carboxylic acid price More Price(32)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 189782 | 4-Oxo-4H-1-benzopyran-2-carboxylic acid 97% | 4940-39-0 | 5g | $47.9 | 2024-03-01 | Buy |
| TCI Chemical | O0290 | Chromone-2-carboxylic Acid >98.0%(HPLC)(T) | 4940-39-0 | 5g | $170 | 2024-03-01 | Buy |
| TCI Chemical | O0290 | Chromone-2-carboxylic Acid >98.0%(HPLC)(T) | 4940-39-0 | 25g | $605 | 2024-03-01 | Buy |
| Alfa Aesar | A13552 | Chromone-2-carboxylic acid, 97% | 4940-39-0 | 5g | $48.8 | 2023-06-20 | Buy |
| Alfa Aesar | A13552 | Chromone-2-carboxylic acid, 97% | 4940-39-0 | 25g | $152 | 2023-06-20 | Buy |
4-Oxo-4H-1-benzopyran-2-carboxylic acid Chemical Properties,Uses,Production
Chemical Properties
white to light yellow crystal powder
Uses
Chromone-2-carboxylic acid is used in the cyclic form 3?-oxopyrazolidino[4?,5??2, 3]-chroman-4-one, gives the azide of chromone-2-carboxylic acid, the curtius rearrangement of which is used to synthesize a number of 2-acylaminochromones and it is an orally active antiallergic agent.
Uses
vascular protectant
Uses
4-oxo-4H-1-Benzopyran-2-carboxylic Acid acts as an inhibitor of monoamine oxidase A & B. Also functions as a novel type of tyrosine phosphatase 1B inhibitor in studies, due to a structure derived from formylchromone.
Definition
ChEBI: 4-oxo-1-benzopyran-2-carboxylic acid is a member of chromones.
General Description
Nasal absorption of 4-oxo-4H-1-benzopyran-2-carboxylic acid has been investigated in the male Wistar rat.
4-Oxo-4H-1-benzopyran-2-carboxylic acid Preparation Products And Raw materials
Raw materials
Preparation Products
Global( 235)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Capot Chemical Co.,Ltd. | 571-85586718 +8613336195806 | sales@capotchem.com | China | 29797 | 60 |
| ATK CHEMICAL COMPANY LIMITED | +undefined-21-51877795 | ivan@atkchemical.com | China | 32480 | 60 |
| career henan chemical co | +86-0371-86658258 | sales@coreychem.com | China | 29914 | 58 |
| Hubei Jusheng Technology Co.,Ltd. | 18871490254 | linda@hubeijusheng.com | CHINA | 28180 | 58 |
| Accela ChemBio Inc. | (+1)-858-699-3322 | info@accelachem.com | United States | 19965 | 58 |
| Shandong chuangyingchemical Co., Ltd. | 18853181302 | sale@chuangyingchem.com | CHINA | 5909 | 58 |
| Chongqing Chemdad Co., Ltd | +86-023-61398051 +8613650506873 | sales@chemdad.com | China | 39916 | 58 |
| Alchem Pharmtech,Inc. | 8485655694 | sales@alchempharmtech.com | United States | 63711 | 58 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49390 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | 18192627656 | 1012@dideu.com | China | 3422 | 58 |
View Lastest Price from 4-Oxo-4H-1-benzopyran-2-carboxylic acid manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2021-10-30 | 4-Oxo-4H-1-benzopyran-2-carboxylic acid
4940-39-0
|
US $1.10 / g | 1g | 99.00% | 100 Tons Min | Dideu Industries Group Limited | |
 |
2020-04-28 | 4-Oxo-4H-1-benzopyran-2-carboxylic acid
4940-39-0
|
US $0.01-1.00 / KG | 1KG | 99% | 50 tons | Shaanxi Dideu Medichem Co. Ltd | |
 |
2019-07-06 | 4-Oxo-4H-1-benzopyran-2-carboxylic acid
4940-39-0
|
US $1.00 / KG | 1KG | 95% | 500KG | Career Henan Chemical Co |
-
- 4-Oxo-4H-1-benzopyran-2-carboxylic acid
4940-39-0
- US $1.10 / g
- 99.00%
- Dideu Industries Group Limited
-
- 4-Oxo-4H-1-benzopyran-2-carboxylic acid
4940-39-0
- US $0.01-1.00 / KG
- 99%
- Shaanxi Dideu Medichem Co. Ltd
-
- 4-Oxo-4H-1-benzopyran-2-carboxylic acid
4940-39-0
- US $1.00 / KG
- 95%
- Career Henan Chemical Co
4-Oxo-4H-1-benzopyran-2-carboxylic acid Spectrum
4-Oxo-4H-1-benzopyran-2-carboxylic acid(4940-39-0)MS4-Oxo-4H-1-benzopyran-2-carboxylic acid(4940-39-0)1HNMR4-Oxo-4H-1-benzopyran-2-carboxylic acid(4940-39-0)13CNMR4-Oxo-4H-1-benzopyran-2-carboxylic acid(4940-39-0)IR14-Oxo-4H-1-benzopyran-2-carboxylic acid(4940-39-0)IR24-Oxo-4H-1-benzopyran-2-carboxylic acid(4940-39-0)Raman
4940-39-0(4-Oxo-4H-1-benzopyran-2-carboxylic acid)Related Search:
4-oxo-4h-1-benzopyran-2-carboxylicaci
4-OXO-4H-1-BENZOPYRAN-2-CARBOXYLIC ACID
4-OXO-4H-BENZOPYRAN-2-CARBOXYLIC ACID
4-OXO-4H-CHROMENE-2-CARBOXYLIC ACID
CHROMONE-2-CARBOXYLIC ACID
CHROMOCARB
LABOTEST-BB LT00454887
4-Oxo-4H-1-benzopyran-2-carboxylic acid, 97% 5GR
TIMTEC-BB SBB003660
Oxo-4H-1-benzopyran-2-carbox
4-Oxo-4H-1-benzopyran-2-carboxylic acid, 4-Oxo-4H-chromene-2-carboxylic acid
4H-1-Benzopyran-2-carboxylic acid, 4-oxo-
4-Oxo-4H-1-benzopyran-2-carbo
atremon
chromocarbe
chromonecarboxylicacid
lp-1
Chromone-2-carboxylic acid, 97+%
Chromocarb~4-Oxo-4H-1-benzopyran-2-carboxylic acid
2-Chromonecarboxylic acid
CHROMONE-2-CARBOXYLIC ACID (4-OXO-4H-1-BENZOPYRAN-2-CARBOXYLIC ACID)
4-Oxo-4H-1-Benzopyran-2-carboxylic acid, Chromocarb, Chromone-2-carboxylic acid
4-Oxochromene-2-carboxylic acid
Chromone-2-carboxylic acid (4-Oxo-4H-1-benzopyran-2-carboxylic a
4-Oxo-4H-1-benzopyran-2-carboxylic acid,97%
JRH-00401, 4-Oxo-4H-chromene-2-carboxylic acid, 97%
Chromone-2-carboxylicAcid>
CHROMONE-2-CARBOXYLIAC ACID
4-Oxo-4H-1-benzopyran-2-carboxylic acid ISO 9001：2015 REACH
Chromone-2-carboxilic acid
Chromone-2-carboxylic acid (Chromocarb)
4940-39-0
C10H6O4
C10H5O4
KETONE
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FLUDARENE