Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Back Catalog number: 70193 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended X9181 1,4-Phenylenediamine Price on request 92102 Herbicides Mix #1 - Free Acids Price on request 57151 Antimony (Sb) Price on request