Interleukin 4 (Interleukin-4, IL-4, B Cell IgG Differentiation Factor, B Cell Growth Factor 1, B Cell Stimulatory Factor 1, BSF-1, IGG1 Induction Factor, Lymphocyte Stimulatory Factor, Il-4) (FITC)

Store product at 4 degree C if to be used immediately within two weeks. For long-term storage, aliquot to avoid repeated freezing and thawing and store at -20 degree C. Aliquots are stable at -20 degree C for 12 months after receipt. Dilute required amount only prior to immediate use. Further dilutions can be made in assay buffer.