Diethylene glycol monomethyl ether, 250mg Back Catalog number: 682860 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1990.12-50-IO 2,4,4',6-Tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 189084-63-7 Price on request 97742 EPA Method 8270 PAH Standard Price on request 8859.7-K-IO 3-Ethyl-2-methylthiopyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request