PCB Congener Surrogate Standard Mix Back Catalog number: 94568 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2728.3-100MG N,N-Dimethylguanidine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 6145-42-2 Price on request 679225 Tris(p-tert-butylphenyl) phosphate, 10mg Price on request 1268.8-1ML Ethylbenzene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 100-41-4 Price on request