p-Xylene Back Catalog number: 31531 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended X9017 Benzo(b)fluoranthene Price on request 95451 PCB Congeners & Hexachlorobenzene Mix #2 Price on request 11236.15-K-ME Tri-n-pentyl phosphate,1000 µg/mL,MeOH,1mL, Price on request