QC Check Sample Back Catalog number: 59528 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C16440000 Propazine, 250mg Price on request XA16920100AC Sebuthylazine D5 (ethyl D5), 100 ng/µl, 1.1ml Price on request 95002 8151A QC Standard Price on request