Share this post on: Selumetinib Validation: Exhibits correct molecular weight Storage: Store in dry form at -20°C.For best results, rehydrate just before use.After rehydration, keep solution at +4°C for up to 1 week or at -20°C for longer-term storage. Aliquot before freezing to avoid repeated freeze-thaw cycles. Appearance: White powder Contents: Each vial contains 5 µg of protein. a0038680