Aliphatic Internal Standard Back Catalog number: 97279 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0005.21-200-T 3-Methylcholanthrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 56-49-5 Price on request 681368 Fluroxypyr-1-methylheptylester, 100mg Price on request 3511.19-100-CY Tetramethrin Price on request