Coumarin 343 X carboxylic acid Chemical Properties

Boiling point:

761.5±60.0 °C(Predicted)

Density 

1.35±0.1 g/cm3(Predicted)

solubility 

Well soluble in DMF, DMSO, moderately soluble in DCM, DCE, EtOAc, insoluble in diethyl ether.

pka

4.74±0.10(Predicted)

Appearance

yellow crystals

InChI

InChI=1S/C22H26N2O5/c25-18(26)8-2-1-3-9-23-21(27)17-13-15-12-14-6-4-10-24-11-5-7-16(19(14)24)20(15)29-22(17)28/h12-13H,1-11H2,(H,23,27)(H,25,26)

InChIKey

HCUGYFCWVUOZRK-UHFFFAOYSA-N

SMILES

C(O)(=O)CCCCCNC(C1=CC2=CC3=C4C(=C2OC1=O)CCCN4CCC3)=O

Coumarin 343 X carboxylic acid Usage And Synthesis

Description

Coumarin 343 is a blue emitting fluorophore used as a laser dye. The fluorophore can serve as a FRET donor for FAM (fluorescein).

Uses

Coumarin 343 X carboxylic acid is a blue emitting fluorophore used as a laser dye. The fluorophore can serve as a FRET donor for FAM (fluorescein).

Abs/Em Maxima

437/477 nm

Fluoresene quantum yield

0.63

Extinction Coefficient

39000

CF260

0.29

CF280

0.24