CONOSTAN Standard S-21, 30 ppm, 100g Back Catalog number: SCP150-021-008 Manufacturer: SCP SCIENCE Availability: In the manufacturer's stock Price on request - + Recommended 10113.18-50-IO 1,9-Dimethyl-7-ethylphenanthrene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 46870-52-4 Price on request 19042 EPA Method 508 Surrogate Standard Price on request 8373.7-25MG 4-Bromo-2,3,5,6-tetraachloroanisole, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. Price on request