Perchlorate Level 3 Back Catalog number: 59341 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2266.12-100-IO 2,2',3,4',5',6-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 38380-04-0 Price on request 1860.14-K-IO 1,1,3,3,5-Pentamethylindan, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 81-03-8 Price on request 2216.10-K-TX5 1-Nitronaphthalene-d7, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 80789-77-1 Price on request