PCB No. 50, 100µg/ml in Isooctane, 1ml Back Catalog number: 66050 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2640.29-5UG 17ß(H),21ß(H)-30-Norhopane, 5µg Price on request 680895 D20-Ethion, 100 µg/ml, Acetone, 1ml Price on request 38315 CWA OrganoNitrogen Pesticides Price on request