Custom Internal Standard Mix Back Catalog number: 96806 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended N-12147-100MG Heptachlor, 100mg Price on request C17945100-5ML m-Xylene, certified, 5ml Price on request 0924.10-500-IO 4-Isopropyl-1-methylbenzene (p-Isopropyltoluene), 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 99-87-6 Price on request