>98% [HPLC]. Free AMC < 100ppm.
Fluorogenic substrate for the determination of pyrrolidonyl peptidase from Bacillus amyloliquefaciens: K. Fujiwara and D. Tsuru, J. Biochem., 83, 1145 (1978). Used in an assay for the rapid identification of enterococci: M. Manafi and R. Sommer, Wat. Sci. Tech., 27, 271 (1993).