3',4'-Dichloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene Back Catalog number: M4H12 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 677935 D12-Benzo[a]pyrene, 10.0 µg/ml, Acetonitrile, 1m Price on request 684354 13C3-Atrazine-desethyl-desisopropyl, 100 µg/ml, M Price on request 681944 Triazoxide, 100 µg/ml, Acetonitrile, 5ml Price on request