Group I Elements Starter Kit Back Catalog number: 52253 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11134.5-10MG Hexachlorocyclopentadiene,,,, Price on request 8996.21-100-ME Corticosterone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 50-22-6 Price on request 95147 Pesticide Mix #3 Price on request