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Details

Stereochemistry ACHIRAL
Molecular Formula C20H8I4O5
Molecular Weight 835.8924
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of TETRAIODOFLUORESCEIN

SMILES

OC1=C(I)C=C2C(OC3=C(C=C(I)C(O)=C3I)C24OC(=O)C5=CC=CC=C45)=C1I

InChI

InChIKey=OALHHIHQOFIMEF-UHFFFAOYSA-N
InChI=1S/C20H8I4O5/c21-11-5-9-17(13(23)15(11)25)28-18-10(6-12(22)16(26)14(18)24)20(9)8-4-2-1-3-7(8)19(27)29-20/h1-6,25-26H

HIDE SMILES / InChI

Molecular Formula C20H8I4O5
Molecular Weight 835.8924
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Erythrosine B (also known as Red No. 3), a Food and Drug Administration (FDA)-approved red food dye, is found in cosmetics and food. It is also used as a plasma stain for nerve cells and staining bacteria in soil. It was studied the modulating capabilities of erythrosine B on amyloid-beta peptide (Aβ) aggregation and Aβ-associated impaired neuronal cell function. It is known, that aggregation Aβ is closely linked to the development of Alzheimer's disease pathology.

CNS Activity

Curator's Comment: Known to be CNS penetrant in rat. Human data not available

Approval Year

Targets

Targets

Primary TargetPharmacologyConditionPotency
1.2 µM [EC50]
0.66 µM [EC50]
0.57 µM [EC50]
Conditions

Conditions

ConditionModalityTargetsHighest PhaseProduct
PubMed

PubMed

TitleDatePubMed
Acute toxicity testing of erythrosine and sodium fluorescein in mice and rats.
1977 Apr
Hypersensitivity reactions to food colours with special reference to the natural colour annatto extract (butter colour).
1978
Studies on the toxicity of coal-tar dyes II. Examination of the biological reaction of coal-tar dyes to vital body.
1979 Aug
Incidence of bronchoconstriction due to aspirin, azo dyes, non-azo dyes, and preservatives in a population of perennial asthmatics.
1979 Jul
A developmental toxicity and psychotoxicity evaluation of FD and C red dye #3 (erythrosine) in rats.
1983 Aug
Relative refractory period as a measure of peripheral nerve neurotoxicity.
1983 Dec
Lifetime toxicity/carcinogenicity study of FD & C Red No. 3 (erythrosine) in rats.
1987 Oct
The promoting effects of food dyes, erythrosine (Red 3) and rose bengal B (Red 105), on thyroid tumors in partially thyroidectomized N-bis(2-hydroxypropyl)-nitrosamine-treated rats.
1988 Mar
Multigeneration study of FD & C Red No. 3 (erythrosine) in Sprague-Dawley rats.
1990 Dec
Effects of oral erythrosine (2',4',5',7'-tetraiodofluorescein) on the pituitary-thyroid axis in rats.
1990 May
Effects of 60-Hz fields, estradiol and xenoestrogens on human breast cancer cells.
1996 Oct
Estrogenic and DNA-damaging activity of Red No. 3 in human breast cancer cells.
1997 Apr
A study on the reproductive toxicity of erythrosine in male mice.
1997 May
Cancer chemopreventive activity of synthetic colorants used in foods, pharmaceuticals and cosmetic preparations.
1998 Jul 3
Reproductive and neurobehavioural toxicity study of erythrosine administered to mice in the diet.
2001 May
Monosodium benzoate hypersensitivity in subjects with persistent rhinitis.
2004 Feb
Influence of synthetic and natural food dyes on activities of CYP2A6, UGT1A6, and UGT2B7.
2005 Aug 27
Assessment of genotoxicity of 14 chemical agents used in dental practice: ability to induce chromosome aberrations in Syrian hamster embryo cells.
2006 Feb 28
In vitro screening assay for detecting aromatase activity using rat ovarian microsomes and estrone ELISA.
2008 Mar
Toxicity of xanthene food dyes by inhibition of human drug-metabolizing enzymes in a noncompetitive manner.
2009
Validation of an in vitro screening test for predicting the tumor promoting potential of chemicals based on gene expression.
2010 Apr
Involvement of high plasma corticosterone status and activation of brain regional serotonin metabolism in long-term erythrosine-induced rearing motor hyper activity in young adult male rats.
2010 Jul
Structure-activity relationships of 44 halogenated compounds for iodotyrosine deiodinase-inhibitory activity.
2013 Dec 6
FDA-approved drugs and other compounds tested as inhibitors of human glutathione transferase P1-1.
2013 Sep 5
Identification of new inhibitors for human hematopoietic prostaglandin D2 synthase among FDA-approved drugs and other compounds.
2015 Mar 5
Patents

Sample Use Guides

In Vivo Use Guide
Unknown
Route of Administration: Unknown
In order to determine the detrimental effects of rythrosine B (ER)-induced amyloid-beta peptide (Aβ) aggregates on cellular functions, it was chosen the cellular MTT reducing activity of Human neuroblastoma SH-SY5Y cells. Cells were adminstered Aβ aggregates preformed in the absence or presence of ER. Preformed Aβ aggregates were prepared by incubating 50 µM Aβ monomers in the absence or presence of various concentrations of ER (1x to 10x) at 37°C for the specified time duration. SH-SY5Y cells were incubated with 5 µM preformed aggregates for 48 hours, and subsequently MTT reducing activity was determined. The results suggested that ER mitigated Aβ-associated damage to the cellular function by blocking specific sequence of low molecular weight Aβ species that confers damages to neuronal cells. However, even at 10x ER the protofibrils formed are A11- and OC-reactive, suggesting that ER binding sites on the Aβ do not overlap with the epitope of either A11 or OC antibody.
Substance Class Chemical
Created
by admin
on Fri Dec 15 15:56:52 GMT 2023
Edited
by admin
on Fri Dec 15 15:56:52 GMT 2023
Record UNII
1A878FZQ9B
Record Status Validated (UNII)
Record Version
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Name Type Language
TETRAIODOFLUORESCEIN
Common Name English
3',6'-DIHYDROXY-2',4',5',7'-TETRAIODO-3H-SPIRO(2-BENZOFURAN-1,9'-XANTHEN)-3-ONE
Systematic Name English
ERYTHROSIN
Common Name English
SOLVENT RED 140
Common Name English
CI 45430:2
Common Name English
NSC-328781
Code English
C.I. 45430:2
Common Name English
2',4',5',7'-TETRAIODOFLUORESCEIN
Common Name English
NSC-4905
Code English
ERYTHROSIN B
Common Name English
ERYTHROSINE J
Common Name English
ERYTHROSINE ACID
Common Name English
Classification Tree Code System Code
NCI_THESAURUS C461
Created by admin on Fri Dec 15 15:56:52 GMT 2023 , Edited by admin on Fri Dec 15 15:56:52 GMT 2023
EPA PESTICIDE CODE 120902
Created by admin on Fri Dec 15 15:56:52 GMT 2023 , Edited by admin on Fri Dec 15 15:56:52 GMT 2023
Code System Code Type Description
NSC
328781
Created by admin on Fri Dec 15 15:56:52 GMT 2023 , Edited by admin on Fri Dec 15 15:56:52 GMT 2023
PRIMARY
CHEBI
61000
Created by admin on Fri Dec 15 15:56:52 GMT 2023 , Edited by admin on Fri Dec 15 15:56:52 GMT 2023
PRIMARY
CAS
15905-32-5
Created by admin on Fri Dec 15 15:56:52 GMT 2023 , Edited by admin on Fri Dec 15 15:56:52 GMT 2023
PRIMARY
ECHA (EC/EINECS)
240-046-0
Created by admin on Fri Dec 15 15:56:52 GMT 2023 , Edited by admin on Fri Dec 15 15:56:52 GMT 2023
PRIMARY
NCI_THESAURUS
C87418
Created by admin on Fri Dec 15 15:56:52 GMT 2023 , Edited by admin on Fri Dec 15 15:56:52 GMT 2023
PRIMARY
NSC
4905
Created by admin on Fri Dec 15 15:56:52 GMT 2023 , Edited by admin on Fri Dec 15 15:56:52 GMT 2023
PRIMARY
CAS
548-25-4
Created by admin on Fri Dec 15 15:56:52 GMT 2023 , Edited by admin on Fri Dec 15 15:56:52 GMT 2023
ALTERNATIVE
PUBCHEM
3259
Created by admin on Fri Dec 15 15:56:52 GMT 2023 , Edited by admin on Fri Dec 15 15:56:52 GMT 2023
PRIMARY
FDA UNII
1A878FZQ9B
Created by admin on Fri Dec 15 15:56:52 GMT 2023 , Edited by admin on Fri Dec 15 15:56:52 GMT 2023
PRIMARY
EPA CompTox
DTXSID7044843
Created by admin on Fri Dec 15 15:56:52 GMT 2023 , Edited by admin on Fri Dec 15 15:56:52 GMT 2023
PRIMARY
DAILYMED
1A878FZQ9B
Created by admin on Fri Dec 15 15:56:52 GMT 2023 , Edited by admin on Fri Dec 15 15:56:52 GMT 2023
PRIMARY
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