Heptachlor epoxide Back Catalog number: 79168 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94399 VOC Surrogate Standard Price on request L-PFPRS Sodium perfluoro-1-propanesulfonate, 1.2ml x 50ug/ml, methanol Price on request 96536 Amobarbital Price on request