Pay: $25.00 - $30.00 per hour. Job description. Apertus Compounding, LLC is a 503B Outsourcing Facility, affiliated with Apertus Pharmaceuticals, located in St. Louis, MO. We are looking for a Sterile Compounding Pharmacy Technician to prepare compounded sterile products (CSPs) in our brand new ISO-5 cleanroom environment. This role supports all phases of CSP production under the supervision of the Pharmacist in Charge (PIC), ensuring compliance ...