4,4'-Diaminobiphenyl-d8 (Rings-d8) Back Catalog number: 10448.12-K-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 93044 Alkylated Aromatics Standard Price on request M331127 N-Methyl-N-(trimethylsilyl)trifluoroacetamide-d9, 100mg Price on request 93600 EPA Method 502.2/624Mix Price on request