Molecular Weight: 740.78Salt Form: N/APurity: >95%Sequence (3-letter): Suc-Phe-Ala-His-Phe-pNASequence (1-letter): Suc-FAHF-pNAStorage: -20 °C or belowActivity is quantified by the release of p-nitroaniline which is measured by absorbance at 405 nm.