Multi-Elements Mix Back Catalog number: 50155 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 83603 Monomethyl tetrachloroterephthalate Price on request 1133.13-K-IO n-Tridecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 629-50-5 Price on request 11713.12-100-IO 2,2',3,4',6-Pentachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request