Xylene, 1ml Back Catalog number: 679780 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 66066 2,3’,4,4’-Tetrachlorobiphenyl (66) Price on request 30241R Aldicarb sulfone Price on request 97658 Dow 624B Volatile Internal/Surrogate Standard Price on request