CHEBI:87202 - rose bengal free acid

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ChEBI Name rose bengal free acid
ChEBI ID CHEBI:87202
Definition A xanthene dye that is fluorescein bearing bromine substituents at positions 2', 4', 5' and 7' (on the xanthene ring) and iodine substituents at position 2, 3, 4, and 5 (on the phenyl ring). The dipotassium salt is the biological stain 'rose bengal'.
Stars This entity has been manually annotated by the ChEBI Team.
Supplier Information
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Formula C20H4Cl4I4O5
Net Charge 0
Average Mass 973.67300
Monoisotopic Mass 971.49916
InChI InChI=1S/C20H4Cl4I4O5/c21-10-8(9(20(31)32)11(22)13(24)12(10)23)7-3-1-5(25)16(29)14(27)18(3)33-19-4(7)2-6(26)17(30)15(19)28/h1-2,29H,(H,31,32)
InChIKey VDNLFJGJEQUWRB-UHFFFAOYSA-N
SMILES OC(=O)c1c(Cl)c(Cl)c(Cl)c(Cl)c1-c1c2cc(I)c(O)c(I)c2oc2c(I)c(=O)c(I)cc12
Roles Classification
Chemical Role(s): Bronsted acid
A molecular entity capable of donating a hydron to an acceptor (Bronsted base).
(via oxoacid )
Application(s): fluorochrome
A fluorescent dye used to stain biological specimens.
dye

(via xanthene dye )
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ChEBI Ontology
Outgoing rose bengal free acid (CHEBI:87202) has functional parent fluorescin (CHEBI:42492)
rose bengal free acid (CHEBI:87202) has role fluorochrome (CHEBI:51217)
rose bengal free acid (CHEBI:87202) is a benzoic acids (CHEBI:22723)
rose bengal free acid (CHEBI:87202) is a organoiodine compound (CHEBI:37142)
rose bengal free acid (CHEBI:87202) is a phenols (CHEBI:33853)
rose bengal free acid (CHEBI:87202) is a tetrachlorobenzene (CHEBI:26888)
rose bengal free acid (CHEBI:87202) is a xanthene dye (CHEBI:37929)
rose bengal free acid (CHEBI:87202) is conjugate acid of rose bengal(2−) (CHEBI:52904)
Incoming rose bengal(2−) (CHEBI:52904) is conjugate base of rose bengal free acid (CHEBI:87202)
Synonym Source
2',4',5',7'-tetrabromo-2,3,4,5-tetraiodofluorescein ChEBI
Last Modified
29 July 2015