Hexachlorobenzene, 100µg/ml in MeOH, 1ml Back Catalog number: 90748 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72207 Metformin, 1000μg/ml in MeOH, 1ml Price on request 675354 Sulfachloropyridazine, 250mg Price on request 677994 Disulfoton-sulfoxide, 100 µg/ml, Toluene, 1ml Price on request