Benzo[a]pyrene-d12,400µg/mL,cyclohexane,1mL, Back Catalog number: 1088.20-400-CY Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended 57719 Potassium (K) Price on request MPN-23 1,4,5-Trichloro(13C10)naphthalene, 1.2mL x 50ug/mL, nonane Price on request 674159 4,4'-DDT, 100mg Price on request