Organonitrogen Pesticides Back Catalog number: 94986 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681358 Phenylbutazone, 100mg Price on request 53032 Calibration Standard Set Price on request DD-1368-S 1,3,6,8-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request