Oil Red O

Oil Red O
	; Differentiated adipocytes in a 3T3-L1 cell line stained with Oil Red O
Names
	IUPAC name 1-(2,5-dimethyl-4-(2,5-dimethylphenyl) phenyldiazenyl) azonapthalen-2-ol
Identifiers
CAS Number	1320-06-5 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:88213 ;
ChemSpider	14217961 ;
ECHA InfoCard	100.013.906
MeSH	oil+red+O
PubChem CID	5841742;
UNII	G7S71FND9B ;
CompTox Dashboard (EPA)	DTXSID90889366 ;
	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/b28-27+,30-29+ Key: NPGIHFRTRXVWOY-XOXGWFOHSA-N ; InChI=1/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/b28-27+,30-29+ Key: NPGIHFRTRXVWOY-XOXGWFOHBH;
	SMILES Cc4cc(/N=N/c1cc(C)c(cc1C)/N=N/c2c3ccccc3ccc2O)c(C)cc4;
Properties
Chemical formula	C26H24N4O
Molar mass	408.49496
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Oil Red O (Solvent Red 27, Sudan Red 5B, C.I. 26125, C₂₆H₂₄N₄O) is a lysochrome (fat-soluble dye) diazo dye used for staining of neutral triglycerides and lipids on frozen sections and some lipoproteins on paraffin sections. It has the appearance of a red powder with an absorbance maximum at 518 nanometers.

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