Chlorpyrifos, 1000µg/ml in Hexane 1ml Back Catalog number: 81403 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3953.1-1ML Dibromomethane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 74-95-3 Price on request 682328 Diheptyl phthalate (mixture of isomers), 1000mg Price on request 97129 Aldehyde/Ketone - DNPH Standard Price on request