Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Back Catalog number: 70193 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended S-4399-ASS-2MEX5 VOC Standard Mixture 3 1350,1 Chloroform 0.8 mg/mL 1690,1 Bromodichloromethane 0.4 mg/mL 1691,1 Chlorodibromomethane 0.4mg/mL 1689,1 Bromoform 0.4mg/mL 1355,2 1,2-Dichloroethane Price on request 676559 Phenazone impurity A, 25mg Price on request 96645 Fermentation Standard Price on request