Semi-Volatiles Mix #1 Back Catalog number: 92999 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 66174 2,2',3,3',4,5,6'-Heptachlorobiphenyl (174) Price on request 677730 2,6-Dimethylphenol, 500mg Price on request 95281 Hydrazine monohydrochloride as N2H4 Price on request