Rat Serum: Collected from 8-12 week-old sexually mature rats. Physiochemical constituents are measured to ensure lot-to-lot consistency. Sterility tested Sterile filtered to 0.2 µm Storage Conditions: -20°C + 5°C Unit Price Catalog Number Size 1-10 11-50 SRT-0050 50 ml $100.00 $95.00 SRT-0100 100 ml $150.00 Please Inquire SRT-0500 500 ml $475.00 Please Inquire * For use in research and manufacturing only. Not intended for direct use in diagnostic or therapeutic applications.