WS Low Level Perchlorate Back Catalog number: 55210 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2726.16-K-IO 4-Isopropylthioxanthone, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 83846-86-0 Price on request 79144 bis(2-Ethylhexyl) phthalate, 1000µg/ml in Acetone, 1ml Price on request 70390 Aldicarb sulfoxide Price on request