Purified Rat IgE (Molecular Probes®) Host: Rat SubClass (Isotype): IgE Antibody Fragment: Whole Antibody Label or Dye: Unconjugated Product Size: 0.5 mg Shipping Condition: Wet Ice Regulatory Statement: For Research Use Only. Not for use in diagnostic procedures. Store at -20 °C for long-term storage. Avoid repeated freezing and thawing.