Custom Standard Back Catalog number: 50312 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2026.6-10MG gamma-HCH (BHC),neat,neat,10mg, Price on request 70193 Heptachlor epoxide (isomer B), 1000µg/ml in MeOH, 1ml Price on request 676610 2-Propanethiol, 250mg Price on request