Tungsten (W) Back Catalog number: 58174 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2289.8-1G Phthalic acid, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 88-99-3 Price on request S-4452-100-T 15 EU PAH Cocktail , 100µg/m Lin Toluene , 1ml Price on request MOPCB-2004S 4-Methoxy-3,5-dichlorobiphenyl,100µg/ml in IO, 1ml Price on request