Heptachlor Back Catalog number: 96868 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0389.14-K-IOX10 Phenanthrene-d10, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 1517-22-2 Price on request 2623.33-10UG 17 alpha(H),21 alpha(H)-(22RS)-Trishomohopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 105498-26-8 Price on request 2783.12-100-AN 4-Aminobiphenyl,100 µg/mL,acetonitrile,1mL, Price on request