Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Back Catalog number: 70193 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 1864.8-K-CY trans-1,3-Dimethylcyclohexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 2207-03-6 Price on request D3-N-MEFOSAA N-methyl-d3-perfluoro-1-octanesulfonamidoacetic acid, 1.2ml x 50ug/ml, methanol Price on request 1344.12-K-IO 2,6-Dimethylnaphthalene-d12, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 350820-12-1 Price on request