Metals Mix Back Catalog number: 59253 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682369 Tolpyralate, 100 µg/ml, Acetonitrile, 1ml Price on request 8743.18-100-T 4-Chloroterphenyl, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request 79149 4,4’-DDE Price on request