Iohexol, 100 µg/ml in Acetonitrile, 5ml Back Catalog number: 18000-1340-100AN5 Manufacturer: NEOCHEMA Availability: In the manufacturer's stock Price on request - + Recommended 0215.22-100-T Benzo[a]chrysene, 100µg/ml in Toluene, 1ml Price on request 1561.9-1G n-Nonane-d20, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 121578-11-8 Price on request 673523 Deltamethrin, 10.0 µg/ml, Ethyl acetate, 10ml Price on request