PCB Congeners Back Catalog number: 94597 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1579.4-1G Metformin hydrochloride, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1115-70-4 Price on request 97250 2,4,4-Trimethyl-1-pentene Price on request 79496 tert-Amyl methyl ether Price on request