PCB No. 31, certified, 25mg Back Catalog number: C20003100 Availability: In the manufacturer's stock Price on request - + Recommended 70136 1,2 Dichloroethane, 1000µg/ml in MeOH, 1ml Price on request 1537.18-100-TX10 p-Terphenyl-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 1718-51-0 Price on request 677352 Naphthalene, 100 µg/ml, Cyclohexane, 1ml Price on request