Heptachlor epoxide Back Catalog number: 79433 Availability: In the manufacturer's stock Price on request - + Recommended S-4081-200-CYX5 Perdeuterated Internal Standard - PAH-Mixture 3 9 Analyte, each 1000 µg/mL in cyclohexane; units: 1x1mL, 1x5mL 0978.10 Naphthalene-d8 [1146-65-2] 1336.12 Acenaphthylene-d8 [93951-97-4] 0383.12 Dibenzothiophene-d8 Price on request 2171.8-K-ME Ethylbenzene-d10, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 25837-05-2 Price on request 683866 PAH-Mix 4, 10.0 µg/ml, Acetonitrile, 10ml Price on request