Molecular Weight: 635.68Salt Form: N/APurity: >95%Sequence (3-letter): Ac-Glu-Val-Asn-Leu-pNASequence (1-letter): Ac-EVNL-pNAStorage: -20 °C or belowA colorimetric substrate for proteases. Activity is quantified by the release of p-nitroaniline which is measured by absorbance at 405 nm.