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iron*
,
InChI=1S/CH4O/c1-2/h2H,1H3
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ChEBI
> Main
CHEBI:87117 - erythrosin
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ChEBI Name
erythrosin
ChEBI ID
CHEBI:87117
Definition
An organoiodine compound that is the ring opened tautomer of fluorescein substituted at positions 2, 4, 5 and 7 by iodo groups.
Stars
This entity has been manually annotated by the ChEBI Team.
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Formula
C20H10I4O5
Net Charge
0
Average Mass
837.90830
Monoisotopic Mass
837.67070
InChI
InChI=1S/C20H10I4O5/c21-
11-
5-
9-
13(7-
3-
1-
2-
4-
8(7)
20(27)
28)
10-
6-
12(22)
17(26)
15(24)
19(10)
29-
18(9)
14(23)
16(11)
25/h1-
6,9,18,25H,(H,27,28)
InChIKey
WTOSNONTQZJEBC-UHFFFAOYSA-N
SMILES
OC(=O)c1ccccc1C1=C2C=C(I)C(=O)C(I)=C2OC2C1C=C(I)C(O)=C2I
Roles Classification
Chemical Role
(s):
Bronsted acid
A molecular entity capable of donating a hydron to an acceptor (Br
o
nsted base).
(via
oxoacid
)
Application
(s):
fluorescent dye
dye
(via
xanthene dye
)
View more via ChEBI Ontology
ChEBI Ontology
Outgoing
erythrosin (
CHEBI:87117
)
has functional parent
fluorescein (acid form) (
CHEBI:172923
)
erythrosin (
CHEBI:87117
)
has role
fluorescent dye (
CHEBI:51121
)
erythrosin (
CHEBI:87117
)
is a
benzoic acids (
CHEBI:22723
)
erythrosin (
CHEBI:87117
)
is a
organoiodine compound (
CHEBI:37142
)
erythrosin (
CHEBI:87117
)
is a
phenols (
CHEBI:33853
)
erythrosin (
CHEBI:87117
)
is a
xanthene dye (
CHEBI:37929
)
erythrosin (
CHEBI:87117
)
is conjugate acid of
erythrosin(2−) (
CHEBI:87118
)
Incoming
erythrosin(2−) (
CHEBI:87118
)
is conjugate base of
erythrosin (
CHEBI:87117
)
IUPAC Name
2-(2,4,5,7-tetraiodo-6-oxido-3-oxo-8a,10a-dihydro-3
H
-xanthen-9-yl)benzoic acid
Synonyms
Sources
2,4,5,7-Tetraiodofluorescein
ChemIDplus
acid red 51 (free acid form)
ChEBI
erythrosin B free acid
ChEBI
Erythrosin(E)
ChemIDplus
NSC 4905
ChemIDplus
Registry Number
Type
Source
548-25-4
CAS Registry Number
ChemIDplus
Last Modified
18 May 2021