Heptachlor-exo-epoxide (Iso B) 10µg/mL in CY, 10ml Back Catalog number: L14101000CY Availability: In the manufacturer's stock Price on request - + Recommended 10019 CLP Semi-Volatile Internal Standard Price on request 0977.27-25MG d2 C27 ??? (20R)-Cholestane,neat,neat,25mg Price on request 10599.1-1G Nitromethane Price on request