Heptachlor, 1000µg/ml in Hexane, 1ml Back Catalog number: 79022 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52004 Magnesium Nitrate Modifier Price on request 12083.11-2K-ME Felbamate,2000 µg/mL,MeOH,1mL, Price on request 11699.12-100-IO 2,3,4',6-Tetrachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request