Displaying 12 results of Plerixafor Impurities Plerixafor Impurities are any unwanted substances that may be present in batches of Plerixafor, a medication used to mobilize stem cells in patients with certain types of cancer. These impurities can affect the safety and efficacy of the medication, and must be carefully monitored and controlled to ensure patient safety. Common impurities include degradation products, residual solvents, and related compounds.