Lapatinib is supplied as a lyophilized powder. For a 10 mM stock, reconstitute the 10 mg in 1.08 ml DMSO. Working concentrations and length of treatment can vary depending on the desired effect, but is typically used at 0.1-10 µM either as a pretreatment for 0.5-2 hr prior to treating with a stimulator or used alone with varying treatment times lasting up to 72 hr.
Store lyophilized or in solution at -20ºC, desiccated. Protect from light. In lyophilized form, the chemical is stable for 24 months. Once in solution, use within 3 months to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.
|Molecular Weight||925.46 g/mol|
|Solubility||Soluble in DMSO at 200mg/ml.|
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