产品信息 CAS number 9041-92-3 Merck USA index 14, 719 Storage -20°C Form Solid Formulation Lyophilized from 300 mM NaCl, 30 mM sodium phosphate buffer, pH 6.5. Primary Target serine proteases Activity ≥75% inhibition with active-site titrated porcine trypsin using benzoyl-Arg-p-nitroanilide (Bz-Arg-pNA) as the substrate. Purity ≥95% by SDS-PAGE Source Prepared from plasma that has been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV.