Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Back Catalog number: 70193 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 680398 PCB 101, 10.0 µg/ml, Isooctane, 10ml Price on request 1414.9-250MG 3,4,5-Trimethylphenol, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 527-54-8 Price on request 1407.8-1G 2,5-Dimethylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 95-87-4 Price on request