Certificate of Analysis

 

Product Name: Recombinant Human IFN alpha2a (E.coli)
Catalog Number: M20003

Physical and Chemical Properties
Solubility: It is not recommended to reconstitute to a concentration less than 100μg/ml.
Storage: Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Analytical Data
QC Standard: >95% , Endotoxin < 1 EU/µg
Product Information
Description: Recombinant human interferon Alpha-2a was produced by an E. coli expression system. Protein No. P01563. ED50 < 0.1 ng/ml, measured by cytotoxicity assay using TF-1 cells, corresponding to specific activity > 1.0 × 107 units/mg.
   
Stability and Solubility Advice: Information concerning product stability, particularly in solution, has rarely been reported and in most cases we can only offer a general guide.
We recommend that stock solutions, once prepared, are stored aliquoted in tightly sealed vials and used within 1 month. Avoid repeated freeze and thaw cycles. Storage conditions for some special products should refer to their storage details.