Type I, ~10,000 BAEE units/mg protein

≥8000 units/mg protein; suitable for protein sequencing, lyophilized powder

TPCK Treated, essentially salt-free, lyophilized powder, ≥10,000 BAEE units/mg protein

powder, ≥7,500 BAEE units/mg solid

essentially salt-free, lyophilized powder, ≥9,000 BAEE units/mg protein, BioReagent, suitable for cell culture

>90% (SDS-PAGE)

lyophilized powder, ≥2800 NIH units/mg protein (E1%/280, 18.3)

lyophilized powder, 1500-3500 NIH units/mg protein (E1%/280, 18.3), cell culture tested