Heptachlor-exo-epoxide (Iso B) 10µg/mL in CY, 10ml Back Catalog number: L14101000CY Availability: In the manufacturer's stock Price on request - + Recommended 33241 Propylcyclohexane Price on request 33003 EPA Method 524.2 Volatiles Price on request 679875 o-Aminoazotoluene, 100 µg/ml, Acetonitrile, 1ml Price on request