Semi-Volatile Standard Back Catalog number: 94047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70321 Pentachlorobenzene, 1000ug/ml in MeOH, 1ml Price on request 71393 2,4,6-Trinitrotoluene Price on request 677939 Chlorpyrifos-methyl, 250mg Price on request