Resazurin is a blue non-fluorescent dye that when reduced to the highly red-fluorescent product resorufin (excitation: 530-540 nm; emission: 585-595 nm) can be used as a quantifiable detection agent for enzyme activity assays. The non-fluorescent resazurin can be used as an oxidation-reduction indicator in cell viability assays in a variety of cells. CAS Number: 62758-13-8 Synonyms: Resazurin, sodium salt; 7-Hydroxy-3H-phenoxazin-3-one-10-oxide sodium salt; Sodium 3-oxo-3h-phenoxazin-7-olate 10-oxide; MFCD00005036; Molecular Formula: C12H6NNaO4 Molecular Weight: 251.173 g/mol InChI Key: IVGPGQSSDLDOLH-UHFFFAOYSA-M
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