COD Calibration Standard Back Catalog number: 50434 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 92535 2-Chloronaphthalene Price on request 10188.22-50-AN JWH-250 N-(5-Hydroxypentyl) metabolite, 50µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1427325-83-4 Price on request 681686 Pentachlorophenol, 100 µg/ml, Methanol, 1ml Price on request