Molecular Weight: 332.3

Storage: D,L

Soluble: MeOH, DMSO, H₂O (pH>₈)

Absorption: (in nm) 490

Emission: (in nm) 514

Extinction (10³): 90

Molecular Formula: C₂₀H₁₂O₅

CAS Number: [ 2321-07-5]

Unit Price (USD): 100 mg $23.20

Bulk Price/unit (when you buy 5 or more): $18.56

Description:
Widely used green fluorescent fluorophore.

References:

• "Spectral properties of the prototropic forms of fluorescein in aqueous solution." Klonis N, Sawyer WH. J Fluorescence 6: 147 (1996).
• "Photobleaching kinetics of fluorescein in quantitative fluorescence microscopy." Song L, Hennink EJ, Young IT, Tanke HJ. Biophys. J 68(6): 2588-2600 (1995).
• "Absorption and fluorescence properties of fluorescein." Sjöback R, Nygren J, Kubista M. Spectrochim. Acta. 51: 7 (1995).
• "Determination of the absolute quantum yield of fluorescent solutions." Weber G, Teale FWJ. Trans. Faraday Soc. 53: 646 (1957).