The molecular weight of vincristine a pharmaceutical drug, Ask an Expert

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The molecular weight of vincristine, a pharmaceutical drug, is 923.04. It is supplied in 1 mg per vial. You want to treat your culture cells with a final concentration of 3ηM vincristine and will need 10mL of cells for your experiment. You only want to add 5μL of vincristine solution to your cells. What concentration should you make your stock solution of vincristine in order to make this 5uL addition?

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