CHEBI:88213 - Oil red O

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ChEBI Name Oil red O
Definition A bis(azo) compound that is 2-naphthol substituted at position 1 by a {4-[(2,5-dimethylphenyl)diazenyl]-2,5-dimethylphenyl}diazenyl group. A fat-soluble dye predominantly used for demonstrating triglycerides in frozen sections and for staining of protein bound lipids in paraffin sections.
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Formula C26H24N4O
Net Charge 0
Average Mass 408.496
Monoisotopic Mass 408.195
InChI InChI=1S/C26H24N4O/c1-16-9-10-17(2)22(13-16)27-28-23-14-19(4)24(15-18(23)3)29-30-26-21-8-6-5-7-20(21)11-12-25(26)31/h5-15,31H,1-4H3
Roles Classification
Application(s): histological dye
A dye used in microscopic or electron microscopic examination of cells and tissues to give contrast and to highlight particular features of interest, such as nuclei and cytoplasm.
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ChEBI Ontology
Outgoing Oil red O (CHEBI:88213) has functional parent 2-naphthol (CHEBI:10432)
Oil red O (CHEBI:88213) has role histological dye (CHEBI:77178)
Oil red O (CHEBI:88213) is a azobenzenes (CHEBI:22682)
Oil red O (CHEBI:88213) is a bis(azo) compound (CHEBI:48960)
Oil red O (CHEBI:88213) is a naphthols (CHEBI:25392)
Synonyms Sources
1-(2,5-Dimethyl-4-(2,5-dimethylphenylazo)phenylazo)-2-naphthol ChemIDplus
C.I. 26125 ChEBI
Solvent red 27 ChEBI
Sudan Red 5B ChEBI
Manual Xref Database
Oil_Red_O Wikipedia
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Registry Numbers Types Sources
14288-70-1 CAS Registry Number ChemIDplus
24002417 Reaxys Registry Number Reaxys
Citations Waiting for Citations Types Sources
12530969 PubMed citation Europe PMC
25123946 PubMed citation Europe PMC
25377175 PubMed citation Europe PMC
25792274 PubMed citation Europe PMC
26125905 PubMed citation Europe PMC
26166508 PubMed citation Europe PMC
26445782 PubMed citation Europe PMC
Last Modified
14 October 2015