Pyriproxyfen Back Catalog number: 72472 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72247 Riboflavin Price on request 21002 EPA Method 8260 - Surrogate Standard Price on request 678458 Piperonyl butoxide, 100 µg/ml, Acetonitrile, 5ml Price on request