Description: Chymotrypsin from pichia pastoris expression system Purification: Purified with HPLC Form: Lyophilized Powder CAS Number : 9004-7-3Molecular Weight : 25 kDPurity : >95%Directions for Use : After dissolving with 50mM HAc to 1-10 mg/ml, store at 2-8 °C, or use within 2 days. If the solution is stored at -20 °C or below, it is stable within 24 months. The solution should avoid repeated freezing and thawing and placing at room temperature a long time.Quality Control : No exogenous virus contamination, production process does not use any animal raw materials.Storage/Stability : Shipped at 4°C. Store at -20°C for 2 years.