Perchlorate Level 2 Back Catalog number: 59340 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3735.12-100-IO 3,4,4'-Trichlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 38444-90-5 Price on request D296500-10MG D,L-O-Desmethyl Venlafaxine, 10mg Price on request 90126 Aroclor 1242 Price on request