missing translation for 'onlineSavingsMsg'
Learn More
  1. Home
  2. Products
  3. Chemikalien
  4. Organische Verbindungen
  5. Organoheterozyklische Verbindungen
  6. Oxazyklische Verbindungen
  7. Chromon-2-carbonsäure, 97 %, Thermo Scientific Chemicals

Chromon-2-carbonsäure, 97 %, Thermo Scientific Chemicals

Product Code. 11440044
Change view
Click to view available options
Menge:
5 g
25 g
100 g
Unit Size:
100 Gramm
25 Gramm
5 Gramm
3 product options available for selection
Product selection table with 3 available options. Use arrow keys to navigate and Enter or Space to select.
Product Code. Menge Unit Size
11440044 25 g 25 Gramm
11430044 5 g 5 Gramm
11450044 100 g 100 Gramm
Use arrow keys to navigate between rows. Press Enter or Space to select a product option. 3 options available.
3 options
This item is not returnable. View return policy
Product Code. 11440044 Supplier Thermo Scientific Alfa Aesar Supplier No. A13552.14
 Eingeschränkter Artikel
Verfügbar ab: 28-09-2026
Add to basket

missing translation for 'validMainframeMsg'

This item is not returnable. View return policy

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.

Anwendungen
Chromon-2-carbonsäure wird in der zyklischen Form 3′-Oxopyrazolidin[4′,5′:12,3]-chroman-4-one eingestzt und ergibt das Azid von Chromon-2-carbonsäure, deren Curtius-Umlagerung zur Synthese einer Reihe von 2-Acylaminchromonen verwendet wird. Es ist ein oral aktives antiallergisches Mittel.

Löslichkeit
Löslich in Alkohol, Wasser, DMSO, heißem Methanol und Ethanol.

Hinweise
Behälter dicht verschlossen lassen. Von Oxidationsmitteln entfernt aufbewahren
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 4940-39-0
Summenformel C10H6O4
Molekulargewicht (g/mol) 190.154
MDL-Nummer MFCD00006838
InChI-Schlüssel 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-Oxochromen-2-Carbonsäure
SMILES C1=CC=C2C(=C1)C(=O)C=C(O2)C(=O)O

Specifications

Chemischer Name oder Material Chromone-2-carboxylic acid
Schmelzpunkt ∼260°C (decomposition)
Menge 25 g
Beilstein 146442
Merck Index 14,2237
Löslichkeitsinformationen Soluble in alcohol,water,DMSO,hot methanol,and ethanol.
Formelmasse 190.15
Reinheit (%) 97%

RUO – Research Use Only

Product Title
Select an issue

By clicking Submit, you acknowledge that you may be contacted by Fisher Scientific in regards to the feedback you have provided in this form. We will not share your information for any other purposes. All contact information provided shall also be maintained in accordance with our Privacy Policy.