label: Alexa Fluor 633
label_lc: alexa fluor 633
description: "An organic molecular entity (structure not reported) that is a fluorescent dye with a maximum absorption wavelength at 632 nm and emission wavelength 647 nm. It is a bright and photostable far-red dye with excitation ideally suited to the 633 nm laser line. Alexa Fluor 633 succinimidyl ester is not suitable for labeling nucleic acids."