This is a 1:250 solution of porcine derived trypsin in Hank's solution with pH indicator. Free of viruses and mycoplasma. Sterile filtered to 0.1 micron. - Recommended storage: Trypsin Wash should be stored frozen at all times - 1 year shelf life with proper storage - packaged in 100 mL bottles
Overnight shipping required as this is a frozen product.