QC Check Sample Back Catalog number: 59528 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1998.10-50-IO Octachloronaphthalene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 2234-13-1 Price on request 8481.22-100MG Diltiazem hydrochloride,neat,neat,100mg, Price on request 95087 ASTM Benzene Kit Price on request