1,2,4,5-Tetramethylbenzene Back Catalog number: 32891 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-LCS-B200 Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml , nonane Price on request 9353.10-100MG (S)-(-)-Cotinine, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 486-56-6 Price on request 673029 Atenolol, 100mg Price on request