QC Standard 1 Back Catalog number: 53084 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1955.11-2K-ME Ethyltri-n-propyltin Price on request 31141 1,2-Dibromo-3-chloropropane Price on request 678458 Piperonyl butoxide, 100 µg/ml, Acetonitrile, 5ml Price on request