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3-Cyano-7-hydroxycoumarin
CAS 19088-73-4
3-Cyano-7-hydroxycoumarin is used as a calibration standard for 3-cyano-7-hydroxycoumarin-based enzyme substrates. It has pH-dependent fluorescence.
Chemical structure for 3-Cyano-7-hydroxycoumarin *CAS 19088-73-4*
Chemical structure for 3-Cyano-7-hydroxycoumarin *CAS 19088-73-4*
CatalogSize
Price
Quantity
4025 mg
Price
 
Physical properties

Molecular weight187.15
SolventDMSO
Spectral properties

Extinction coefficient (cm -1 M -1)
43000
Excitation (nm)406
Emission (nm)450
Storage, safety and handling

H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageFreeze (< -15 °C); Minimize light exposure
UNSPSC12171501
CAS19088-73-4
Instrument settings

Fluorescence microplate reader
Excitation408 nm
Emission450 nm
Cutoff420 nm
Recommended plateSolid black
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Page updated on October 13, 2025