Chromone-2-carboxylic acid, 97%, Thermo Scientific Chemicals

Description

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.

Specifications

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

• Melting Point: ∼260°C (decomposition)
• Quantity: 5 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