USP Organic Volatile Impurities Standard Back Catalog number: 82456 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94753 3,3’-Dichlorobenzidine Price on request M4M29 2,4,5-Trichloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene Price on request 91003 EPA Method 8270C Pesticide Mix #20 Price on request