1,3,5-Trichlorobenzene, certified, 0.25g Back Catalog number: C17723500 Availability: In the manufacturer's stock Price on request - + Recommended 0195.2-1G Dimethyldisulfide, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 624-92-0 Price on request 3716.31-10UG 3 alpha,17 alpha(H),21ß(H)-3-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. Price on request 30105 EPA Method 552,552.1,552.2 Internal Std Price on request