Tetrachloro-m-xylene Internal Standard Back Catalog number: 98096 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71812 n-Butyl glycidyl ether Price on request 70245 Pentafluorophenol Price on request 1340.12-100-T 4-Nitrobiphenyl, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 92-93-3 Price on request