Heptachlor Back Catalog number: 79167 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 1555.26-K-IO n-Hexacosane-d54, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1219803-91-4 Price on request 675193 D6-Dimethoate, 100 µg/ml, Acetone, 1ml Price on request 12022.6-K-ME 1-Methoxy-2-propyl acetate,1000 µg/mL,MeOH,1mL, Price on request