Promecarb Back Catalog number: 79273 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M4M120 2,3',4,5,5'-Pentachloro-4'-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene Price on request 93901 Volatile Standard Price on request P-024S-1 o,p'-DDD, 200µg/ml in Isooctane, 1ml Price on request