Fluorescein (free acid), 1 X 2.5 g (F2456-2.5G)

MilliporeSigma® (Sigma-Aldrich)

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F2456-2.5G

$26.30

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Fluorescein (free acid, CI 45350) is a xanthene dye. Fluorescein (free acid) molecule can be divided into two parts. One part contains xanthene moiety which acts as fluorophore and the other part of the molecule bears benzene moiety which is the fluorescence-controlling moiety. Fluorescein (free acid) has been used as a staining agent in retina…

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SDS

storage temp.	room temp
InChI key	GNBHRKFJIUUOQI-UHFFFAOYSA-N
InChI	1S/C20H12O5/c21-11-5-7-15-17(9-11)24-18-10-12(22)6-8-16(18)20(15)14-4-2-1-3-13(14)19(23)25-20/h1-10,21-22H
Îµ (extinction coefficient)	≥70000 at 488-492 nm
mp	320 °C (lit.)
technique(s)	titration: suitable
color	orange to red-brown
Îµ (extinction coefficient)	≥12000 at 282-286 nm
Îµ (extinction coefficient)	≥39000 at 236-240 nm
SMILES string	Oc1ccc2c(Oc3cc(O)ccc3C24OC(=O)c5ccccc45)c1
composition	Dye content, 95%
form	powder
application(s)	diagnostic assay manufacturinghematologyhistology
Î»max	496 nm
Quality Level	200
CAS_NO	7/5/2321

Fluorescein (free acid), 1 X 2.5 g (F2456-2.5G)

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Fluorescein (free acid), 1 X 2.5 g (F2456-2.5G)

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