Type I-S, lyophilized powder, 400-1000 units/mg solid
Type IV-S, lyophilized powder (essentially salt-free), 750-3000 units/mg solid
Type IV-S, powder, suitable for mouse embryo cell culture, 750-3000 units/mg solid
Type VIII, lyophilized powder, 300-1,000 U/mg
Type VI-S, lyophilized powder, 3,000-15,000 units/mg solid
Type II, lyophilized powder, ≥300 units/mg solid
Type V, lyophilized powder, ≥1,500 units/mg solid
