p-Xylene, 1000µg/ml in MeOH, 1ml Back Catalog number: 70308 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681369 Siduron, 100mg Price on request 3739.12-100-ME 2,3,5,6-Tetrachlorobiphenyl, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 33284-54-7 Price on request 3269.19-K-IO Methyl 11-cis-octadecenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1937-63-9 Price on request