4,4'-Diaminobiphenyl-d8 (Rings-d8) Back Catalog number: 10448.12-10MG Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 50251 Total Kjeldahl Nitrogen as (N) Price on request 79428 Diazinon-O-analog Price on request X9176 Pentachloronitrobenzene Price on request