epsilon-HCH, 10μg/ml in Acetonitrile, 1ml Back Catalog number: 15900-2684-10AN1 Manufacturer: NEOCHEMA Availability: In the manufacturer's stock Price on request - + Recommended Y0000787 Caffeine for system suitability, 10mg Price on request 673535 2,4'-DDT, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 9382.17-1G Alprazolam, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 28981-97-7 Price on request