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Oil Red O

SIGMA/O9755 - BioReagent, suitable for electrophoresis

Synonym: 1-([4-(Xylylazo)xylyl]azo)-2-naphthol; 1-[2,5-Dimethyl-4-(2,5-dimethylphenylazo)phenylazo]-2-naphthol; Solvent Red 27; Solvent Red 27

CAS Number: 1320-06-5
Empirical Formula (Hill Notation): C26H24N4O
Molecular Weight: 408.49
EC Number: 215-295-3
MDL Number: MFCD00003898
Linear Formula: C26H24N4O
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-O9755-25G 25 g
 $78.00
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λmax 359 nm
  518 nm (2nd)
form powder
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
InChI key NPGIHFRTRXVWOY-UHFFFAOYSA-N
mp 120 °C (dec.) (lit.)
product line BioReagent
Quality Level 100 
SMILES string Cc1ccc(C)c(c1)N=Nc2cc(C)c(cc2C)N=N/c3c(O)ccc4ccccc34
suitability suitable for electrophoresis
technique(s) electrophoresis: suitable
Application: Oil Red O stain is suitable as a lipid/lipoprotein stain on cellulose acetate. A 0.2% stock solution is prepared in methanol. The stock solution (35 ml) is diluted with 10 mL of 1 M NaOH immediately before staining. The dye begins precipitating during staining. After staining (1 hr), the membrane is destained in methanol:glycerol (1:3). Often cited for use with agarose
Packaging: 25, 100 g in glass bottle
RIDADR NONH for all modes of transport
WGK Germany WGK 3
Flash Point(F) Not applicable
Flash Point(C) Not applicable
mp 120 °C (dec.) (lit.)
Colour Index Number 26125
UNSPSC 41116100

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