Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Back Catalog number: 70193 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 679914 Picoxystrobin M8, 10mg Price on request 676058 D4-Ochratoxin A, 100 µg/ml, Acetonitrile, 1ml Price on request EPA-1613CS3 Calibration Verification Solution , 1ml, nonane Price on request