2,4,4'-Trichloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Back Catalog number: MBP-28 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended FHPPA 3-Perfluoroheptyl propanoic acid (7:3), 1.2ml x 50ug/ml, methanol Price on request 2778.10-100 Heptachlor-exo-epoxide (cis-), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 28044-83-9 Price on request 15900-1375-100AN5 Atrazine-desethyl-2-hydroxy, 100µg/ml in AL, 5ml Price on request