Mating Factor α (1-6) is a mating factor produced by α-mating type cells of Saccharomyces cerevisiae and an acts as an inhibitor of the initiation of DNA synthesis in the cells.

5-TAMRA-SE is an amine-reactive fluorescent agent, its conjugates yield bright, pH-insensitive orange-red fluorescence (approximate excitation/emission maxima ~546/579) with good photostability.

An acid-base indicator which is colorless in acid solution, but turns pink to red as the solution becomes alkaline. It is used medicinally as a cathartic.