Silicon (Si) Back Catalog number: 58114 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DD-1478-S 1,4,7,8-Tetrachlorodibenzo-p-dioxin, 1.2ml x 50ug/ml, nonane Price on request 72474 Thiazopyr Price on request 674877 Kanamycin monosulfate, 100mg Price on request