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 52155 CLP Calibration Standard Price on request 11612.36-10MG Erythromycin C,neat,neat,10mg, Price on request 682116 6-Phenyl-2-thiouracil, 100mg Price on request