Elastase Substrate VIII, Colorimetric Substrate for the spectrophotometric assay of elastase. Peptide Sequence Suc-Ala-Ala-Ala-pNA Form White to off-white solid Molar mass 451.4 Protect from Moisture Purity ≥98% by HPLC Solubility DMSO Chemical formula C19H25N5O8 CAS number 52299-14-6 Storage -20°C Ship Ambient Temperature Only Standard Handling Merck4Biosciences 生物试剂 底物 蛋白酶 弹性蛋白酶