Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Back Catalog number: 70193 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 9436.12-100-CY Acifluorfen Price on request 8407.13-1G Perfluoro-n-tridecane, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 376-03-4 Price on request 59755 ICP Standard Price on request