Cy5 (triethylamine salt)

Cy5 is a cyanine-containing fluorochrome. It has commonly been conjugated to secondary antibodies for use in immunocytochemistry (ICC) and immunohistochemistry (IHC) applications. Cy5 displays excitation/emission maxima of 650/670 nm, respectively.Formal Name: 2-((1E,3E)-5-((E)-1-(5-carboxypentyl)-3,3-dimethyl-5-sulfoindolin-2-ylidene)penta-1,3-dien-1-yl)-1-ethyl-3,3-dimethyl-3H-indol-1-ium-5-sulfonate, inner salt, compd. with N,N-diethylethanamine. Molecular Formula: C33H40N2O8S2 . C6H15N. Formula Weight: 758.0. Purity: >95%. Emission: 670 nm. Excitation: 650 nm. Formulation: (Request formulation change), A crystalline solid. Solubility: DMF: 30 mg/ml, DMSO: 30 mg/ml, Ethanol: 30 mg/ml, PBS (pH 7.2): 10 mg/ml. lambdamax: 649 nm. SMILES: OC(CCCCCN1/C(C(C)(C2=C1C=CC(S(O)(=O)=O)=C2)C)=C/C=C/C=C/C3=[N+](C4=CC=C(C=C4C3(C)C)S([O-])(=O)=O)CC)=O.CCN(CC)CC. InChi Code: InChI=1S/C33H40N2O8S2.C6H15N/c1-6-34-27-18-16-23(44(38,39)40)21-25(27)32(2,3)29(34)13-9-7-10-14-30-33(4,5)26-22-24(45(41,42)43)17-19-28(26)35(30)20-12-8-11-15-31(36)37,1-4-7(5-2)6-3/h7,9-10,13-14,16-19,21-22H,6,8,11-12,15,20H2,1-5H3,(H2-,36,37,38,39,40,41,42,43),4-6H2,1-3H3. InChi Key: VSINJOOHCKRFTE-UHFFFAOYSA-N.