UV-320, 100mg Back Catalog number: 677032 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 679142 N-Phenylurea, 500mg Price on request DD-2378-S 2,3,7,8-Tetrachlorodibenzo-p-dioxin , 1.2ml x 50ug/ml, nonane Price on request H-198N 1,3-Dimethylnaphthalene, 10mg Price on request