C-157N
2,3,3',4,4',5'-Hexachlorobiphenyl, analytical standard mg 5
C-157S-TP
2,3,3',4,4',5'-Hexachlorobiphenyl, analytical standard solution 100 ug/ml in Isooctane ml 1
C-157S
2,3,3',4,4',5'-Hexachlorobiphenyl, analytical standard solution 35 ug/ml in Isooctane ml 1
15100-0440-10CY5
PCB 157, analytical standard solution 10 ug/ml in Cyclohexane ml 5