Cyanine5 NHS ester

DESCRIPTION

Amine-reactive Cyanine5 activated ester for the labeling of proteins, peptides, and other molecules.

DETAILS

Formula: C36H42N3BF4O4
Synonym: Cy5 NHS ester
Citation: 270
Solubility: very poorly soluble in water (0.19 mM = 127 mg/L), good in polar (DMSO, DMF) and chlorinated (DCM, chloroform) organic solvents
Quality Control: NMR 1H, HPLC-MS (95%)
Emission Maximum: 662
Excitation Maximum: 646
Storage Conditions: Storage: 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Avoid prolonged exposure to light. Desiccate.
Extinction Coefficient: 250000
Fluorescence Quantum Yield: 0.2