CHEBI:31624 - fluorescein

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ChEBI Name fluorescein
ChEBI ID CHEBI:31624
Definition A xanthene dye that is highly fluorescent, detectable even when present in minute quantities. Used forensically to detect traces of blood, in analytical chemistry as an indicator in silver nitrate titrations and in microscopy.
Stars This entity has been manually annotated by the ChEBI Team.
Secondary ChEBI IDs CHEBI:606590
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Formula C20H12O5
Net Charge 0
Average Mass 332.307
Monoisotopic Mass 332.06847
InChI 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
InChIKey GNBHRKFJIUUOQI-UHFFFAOYSA-N
SMILES OC1=CC=C2C3(OC(C4=C3C=CC=C4)=O)C=5C(OC2=C1)=CC(=CC5)O
Roles Classification
Application(s): fluorescent dye

radioopaque medium
A substance having the property of absorbing, and therefore being opaque to, electromagnetic radiation, particularly X-rays.
dye

(via xanthene dye )
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ChEBI Ontology
Outgoing fluorescein (CHEBI:31624) has functional parent fluoran (CHEBI:37915)
fluorescein (CHEBI:31624) has role fluorescent dye (CHEBI:51121)
fluorescein (CHEBI:31624) has role radioopaque medium (CHEBI:37338)
fluorescein (CHEBI:31624) is a γ-lactone (CHEBI:37581)
fluorescein (CHEBI:31624) is a 2-benzofurans (CHEBI:38831)
fluorescein (CHEBI:31624) is a organic heteropentacyclic compound (CHEBI:38164)
fluorescein (CHEBI:31624) is a oxaspiro compound (CHEBI:37948)
fluorescein (CHEBI:31624) is a polyphenol (CHEBI:26195)
fluorescein (CHEBI:31624) is a xanthene dye (CHEBI:37929)
Incoming 2',4',5',7'-tetrabromo-2,3,4,5-tetrachlorofluorescein (CHEBI:87193) has functional parent fluorescein (CHEBI:31624)
2',7'-bis-(2-carboxyethyl)-5-carboxyfluorescein (CHEBI:52690) has functional parent fluorescein (CHEBI:31624)
2',7'-bis-(2-carboxyethyl)-6-carboxyfluorescein (CHEBI:52691) has functional parent fluorescein (CHEBI:31624)
2',7'-bis-(2-carboxyethyl)carboxyfluorescein (CHEBI:52689) has functional parent fluorescein (CHEBI:31624)
2,7-dibromo-4-hydroxymercurifluorescein (CHEBI:90221) has functional parent fluorescein (CHEBI:31624)
3-O-methylfluorescein 6-phosphate (CHEBI:37917) has functional parent fluorescein (CHEBI:31624)
5(6)-carboxy-2',7'-dichlorofluorescein (CHEBI:51619) has functional parent fluorescein (CHEBI:31624)
5-aminofluorescein (CHEBI:91078) has functional parent fluorescein (CHEBI:31624)
5-carboxyfluorescein (CHEBI:51617) has functional parent fluorescein (CHEBI:31624)
5-carboxynaphthofluorescein (CHEBI:52708) has functional parent fluorescein (CHEBI:31624)
5-chloromethylfluorescein diacetate (CHEBI:51626) has functional parent fluorescein (CHEBI:31624)
5-CM-H2DCFDA (CHEBI:90122) has functional parent fluorescein (CHEBI:31624)
6-O-(carboxymethyl)fluorescein ethyl ester (CHEBI:72440) has functional parent fluorescein (CHEBI:31624)
6-carboxy-2',4,4',5'7,7'-hexachlorofluorescein succinimidyl ester (CHEBI:52653) has functional parent fluorescein (CHEBI:31624)
6-carboxy-2',4,7,7'-tetrachlorofluorescein succinimiyl ester (CHEBI:52658) has functional parent fluorescein (CHEBI:31624)
6-carboxy-4',5'-dichloro-2',7'-dimethoxyfluorescein (CHEBI:52654) has functional parent fluorescein (CHEBI:31624)
6-carboxyfluorescein (CHEBI:39073) has functional parent fluorescein (CHEBI:31624)
6-carboxyfluorescein succinimidyl ester (CHEBI:132203) has functional parent fluorescein (CHEBI:31624)
6-carboxynaphthofluorescein (CHEBI:52709) has functional parent fluorescein (CHEBI:31624)
6-CM-H2DCFDA (CHEBI:90123) has functional parent fluorescein (CHEBI:31624)
7-glycidyloxy-9-(2-glycidyloxycarbonylphenyl)-2-xanthone (CHEBI:137560) has functional parent fluorescein (CHEBI:31624)
bromoeosin (CHEBI:39078) has functional parent fluorescein (CHEBI:31624)
calcium green 1 (CHEBI:52695) has functional parent fluorescein (CHEBI:31624)
carboxynaphthofluorescein (CHEBI:52707) has functional parent fluorescein (CHEBI:31624)
eosin b diphenol (CHEBI:68618) has functional parent fluorescein (CHEBI:31624)
erythrosin (CHEBI:87117) has functional parent fluorescein (CHEBI:31624)
fluorescein isothiocyanate (CHEBI:37926) has functional parent fluorescein (CHEBI:31624)
magnesium green (CHEBI:52121) has functional parent fluorescein (CHEBI:31624)
magnesium green(5−) (CHEBI:52869) has functional parent fluorescein (CHEBI:31624)
oregon green 488 (CHEBI:44777) has functional parent fluorescein (CHEBI:31624)
phloxine O (CHEBI:156496) has functional parent fluorescein (CHEBI:31624)
yakima yellow phosphoramidite (CHEBI:51608) has functional parent fluorescein (CHEBI:31624)
calcium green 1(6−) (CHEBI:52958) is a fluorescein (CHEBI:31624)
eosin 5-isothiocyanate (CHEBI:60597) is a fluorescein (CHEBI:31624)
IUPAC Name
3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one
Synonyms Sources
3',6'-dihydroxyfluoran ChemIDplus
3,6-fluorandiol ChemIDplus
9-(o-carboxyphenyl)-6-hydroxy-3-isoxanthenone ChemIDplus
9-(o-carboxyphenyl)-6-hydroxy-3H-xanthen-3-one ChemIDplus
C.I. 45350 ChEBI
C.I. Solvent Yellow 94 ChEBI
D and C Yellow No. 7 ChEBI
D&C Yellow No. 7 ChEBI
fluoresceine ChemIDplus
Fluoreszein ChEBI
Japan Yellow 201 ChEBI
resorcinolphthalein ChemIDplus
Solvent Yellow 94 ChEBI
Yellow fluorescein ChEBI
Manual Xrefs Databases
4FAB PDB
D01261 KEGG DRUG
DB00693 DrugBank
Fluorescein Wikipedia
HMDB0014831 HMDB
View more database links
Registry Numbers Types Sources
2321-07-5 CAS Registry Number ChemIDplus
248626 Gmelin Registry Number Gmelin
94324 Reaxys Registry Number Reaxys
94324 Beilstein Registry Number Beilstein
Citations Waiting for Citations Types Sources
1517825 PubMed citation Europe PMC
15465055 PubMed citation Europe PMC
16195545 PubMed citation Europe PMC
20371259 PubMed citation Europe PMC
2508085 PubMed citation Europe PMC
26756394 PubMed citation Europe PMC
7868912 PubMed citation Europe PMC
Last Modified
22 September 2020