Coumarin 343 X carboxylic acid (A270131)

Coumarin 343 X carboxylic acid

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

437 nm

39000 M^-1cm^-1

477 nm

0.63

946123-11-1

0.24

95% (by ¹H NMR and HPLC-MS).

C₂₂H₂₆N₂O₅

398.45 kDa

Yellow crystals.

Well soluble in DMF and DMSO. Moderately soluble in DCM, DCE, and EtOAc. Insoluble in diethyl ether.

Shipped at room temperature. Upon delivery, store in the dark at -20°C. Avoid prolonged exposure to light. Desiccate.

This product is for research use only. It is not intended for diagnostic or therapeutic use.