Nitroaromatics Standard Back Catalog number: 93141 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 92262 PCB Congeners Price on request 675998 4-Ethylcatechol, 100mg Price on request 2007.12-5MG 3,4,4',5-Tetrachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 70362-50-4 Price on request