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 679839 TCEP, 100 µg/ml, Methanol, 5ml Price on request 70232 N-Nitrosodi-n-propylamine, 1000µg/mL in MeChl, 1ml Price on request 10545.34-1G Direct Black 38 Price on request