Cy3

Cy3 is a cyanine-containing fluorochrome. It has commonly been conjugated to secondary antibodies for use in immunocytochemistry and immunohistochemistry applications. Cy3 displays excitation/emission maxima of 550/570 nm, respectively.Formal Name: 2-[3-[1-(5-carboxypentyl)-1,3-dihydro-3,3-dimethyl-5-sulfo-2H-indol-2-ylidene]-1-propen-1-yl]-1-ethyl-3,3-dimethyl-5-sulfo-3H-indolium, inner salt. CAS Number: 146368-13-0. Molecular Formula: C31H38N2O8S2. Formula Weight: 630.8. Purity: >98%. Emission: 570 nm. Excitation: 550 nm. Formulation: (Request formulation change), A crystalline solid. Solubility: DMF: 10 mg/ml, DMSO: 15 mg/ml, Ethanol: 1 mg/ml, PBS (pH 7.2): 5 mg/ml. lambdamax: 525, 558 nm. SMILES: OC(CCCCCN1/C(C(C)(C)C2=C1C=CC(S(O)(=O)=O)=C2)=C/C=C/C3=[N+](CC)C4=CC=C(S([O-])(=O)=O)C=C4C3(C)C)=O. InChi Code: InChI=1S/C31H38N2O8S2/c1-6-32-25-16-14-21(42(36,37)38)19-23(25)30(2,3)27(32)11-10-12-28-31(4,5)24-20-22(43(39,40)41)15-17-26(24)33(28)18-9-7-8-13-29(34)35/h10-12,14-17,19-20H,6-9,13,18H2,1-5H3,(H2-,34,35,36,37,38,39,40,41). InChi Key: YDNYBBRGPORVRT-UHFFFAOYSA-N.