Sudan Red 7B

Sudan red 7B is an azo dye. It displays an absorption maxima of 525 nm. Sudan red 7B has been used to stain lipids in hepatocytes and suberin lamellae in plant cell walls. It has also been included as a standard in LC-MS/MS-based protocols for the detection of banned colorants in foodstuffs.Formal Name: N-ethyl-1-[2-[4-(2-phenyldiazenyl)phenyl]diazenyl]-2-naphthalenamine. CAS Number: 6368-72-5. Synonyms: C.I. 26050, Ceres Red 7B, Fat Red 7B, Hexatype Carmine B, NSC 326202, Solvent Red 19. Molecular Formula: C24H21N5. Formula Weight: 379.5. Formulation: (Request formulation change), A solid. Solubility: DMF: 30 mg/ml, DMSO: 30 mg/ml, DMSO:PBS (pH 7.2) (1:1): 0.5 mg/ml, Ethanol: 1 mg/ml. lambdamax: 227, 256 nm. SMILES: CCNC(C=CC1=C2C=CC=C1)=C2N=NC(C=C3)=CC=C3N=NC4=CC=CC=C4. InChi Code: InChI=1S/C24H21N5/c1-2-25-23-17-12-18-8-6-7-11-22(18)24(23)29-28-21-15-13-20(14-16-21)27-26-19-9-4-3-5-10-19/h3-17,25H,2H2,1H3. InChi Key: VKWNTWQXVLKCSG-UHFFFAOYSA-N.