Cations Mix Back Catalog number: 50768 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0043.18-10MG 7-Nitrobenz[a]anthracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 20268-51-3 Price on request 681687 4-Methylphenol, 100 µg/ml, Methanol, 5ml Price on request 3415.6-100-DC beta-HCH (BHC), 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 319-85-7 Price on request