3,4-Dimethylhexane Back Catalog number: 71355 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8537.16-100-IO n-Butyl iso-butyl phthalate (n-Butyl 2-methylpropyl phthalate), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17851-53-5 Price on request 19094 EPA Method 601 Internal Standard Price on request 684555 D7-o-Toluic acid, 50mg Price on request