2,2’,3,4,4’,5’-Hexachlorobiphenyl (138) Back Catalog number: 66138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8722.10-K-IO Dimethyl terephthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 9282.28-10MG Sildenafil citrate,neat,neat,10mg Price on request 685071 epsilon-HCH, 10.0 µg/ml, Cyclohexane, 1ml Price on request