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  7. Chromone-2-carboxylic acid, 97%

Chromone-2-carboxylic acid, 97%

Product Code. 11440044
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11440044 25 g 25g
11430044 5 g 5g
11450044 100 g 100g
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Product Code. 11440044

Brand: Thermo Scientific Alfa Aesar A13552.14

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Description

CAS: 4940-39-0 | C10H6O4 | 190.154 g/mol

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.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
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.

Solubility
Soluble in alcohol, water, DMSO, hot methanol, and ethanol.

Notes
Keep container tightly closed. Store away from oxidizing agents.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 4940-39-0
Molecular Formula C10H6O4
Molecular Weight (g/mol) 190.154
MDL Number MFCD00006838
InChI Key RVMGXWBCQGAWBR-UHFFFAOYSA-N
Synonym chromocarb, chromone-2-carboxylic acid, 4-oxo-4h-chromene-2-carboxylic acid, 4-oxo-4h-1-benzopyran-2-carboxylic acid, atremon, chromonecarboxylic acid, lp-1, chromocarb inn:dcf, 2-chromonecarboxylic acid, chromocarbe inn-french
PubChem CID 2741
IUPAC Name 4-oxochromene-2-carboxylic acid
SMILES C1=CC=C2C(=C1)C(=O)C=C(O2)C(=O)O

Specifications

Melting Point ∼260°C (decomposition)
Quantity 25 g
Beilstein 146442
Merck Index 14,2237
Solubility Information Soluble in alcohol,water,DMSO,hot methanol,and ethanol.
Formula Weight 190.15
Percent Purity 97%
Chemical Name or Material Chromone-2-carboxylic acid

RUO – Research Use Only

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