1,1-Dioctadecyl-3,3,3,3-tetramethylindotricarbocyanine (iodide)

1,1-Dioctadecyl-3,3,3,3-tetramethylindotricarbocyanine (DiR) is a lipophilic near-infrared fluorescent dye. It displays excitation/emission maxima of 750/780 nm, respectively. DiR has been incorporated into PEGylated nanoparticles for use in antitumor photothermal therapy in mice.Formal Name: 2-[7-(1,3-dihydro-3,3-dimethyl-1-octadecyl-2H-indol-2-ylidene)-1,3,5-heptatrien-1-yl]-3,3-dimethyl-1-octadecyl-3H-indolium, monoiodide. CAS Number: 100068-60-8. Synonyms: DiR. Molecular Formula: C63H101N2 . I. Formula Weight: 1013.4. Purity: >98%. Emission: 780 nm. Excitation: 750 nm. Formulation: (Request formulation change), A solid. Solubility: DMF: Slightly Soluble, DMSO: Slightly Soluble, Ethanol: 1 mg/mL. lambdamax: 748 nm. SMILES: CC1(C)C2=C(C=CC=C2)N(CCCCCCCCCCCCCCCCCC)C1=CC=CC=CC=CC3=[N+](CCCCCCCCCCCCCCCCCC)C4=C(C3(C)C)C=CC=C4.[I-]. InChi Code: InChI=1S/C63H101N2.HI/c1-7-9-11-13-15-17-19-21-23-25-27-29-31-33-38-46-54-64-58-50-44-42-48-56(58)62(3,4)60(64)52-40-36-35-37-41-53-61-63(5,6)57-49-43-45-51-59(57)65(61)55-47-39-34-32-30-28-26-24-22-20-18-16-14-12-10-8-2,/h35-37,40-45,48-53H,7-34,38-39,46-47,54-55H2,1-6H3,1H/q+1,/p-1. InChi Key: JLIOTPLALDYAEH-UHFFFAOYSA-M.