Internal Standard Back Catalog number: 93185 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1428.10-1G 2-Isopropyl-5-methylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 89-83-8 Price on request 94506 Hydrocortisone Price on request 3321.6-100-CY delta-HCH (BHC) Price on request