6020Low Intermediate Standard Back Catalog number: 50649 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2904.12-5MG 2,4,4',5-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 32690-93-0 Price on request 12109.15-250MG Piroxicam,neat,neat,250mg, Price on request 3712.15-30-05W Cylindrospermopsin, 30µM, Solvent-water, Unit 0.5mL, # of units-1, Cas.no. 143545-90-8 Price on request