Cresol Red sodium salt acts as a constituent of polymerase chain reaction reagent systems. It is useful as a pH indicator with color changes with pH 0.2 - pH 1.8 and pH 7.1 - 8.8. Further, it plays an important role in molecular biology reactions in place of other loading dyes.
Heck, M. V.; Azizov, M.; Stehning, T.; Walter, M.; Kedersha, N.; Auburger, G. Dysregulated expression of lipid storage and membrane dynamics factors in Tia1 knockout mouse nervous tissue. Neurogenetics 2014, 15 (2), 135-144.
Mukherjee, S.; Hill, M. R.; Sumerlin, B. S. Self-healing hydrogels containing reversible oxime crosslinks. Soft matter 2015, 11 (30), 6152-6161.