Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Back Catalog number: 70193 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 9758.20-10MG Iso-pentyl benzyl phthalate (3-Methylbutyl benzyl phthalate), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 72170-46-8 Price on request 677644 Demeton-O, 10.0 µg/ml, Cyclohexane, 10ml Price on request 0350.14-K-T 1-Methylfluorene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1730-37-6 Price on request