Heptachlor Back Catalog number: X9111 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2479.16-K-IO Di-n-butyl phthalate-3,4,5,6-d4,1000 µg/mL,isooctane,1mL, Price on request 3174.5-K-IO Ethyl propanoate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 105-37-3 Price on request 70325 Allyl chloride Price on request