ATTO 665 NHS ester

ATTO 665 NHS ester is a novel fluorescent label derived from the Rhodamine structure. It features strong absorption, high fluorescence quantum yield, and exceptional thermal and photochemical stability, making it suitable for single-molecule detection and high-resolution microscopy. ATTO 665 NHS ester is an NHS ester derivative of ATTO 665 and can be used to label proteins or antibodies.