2,4’-DDD, 1000µg/ml in Hexane, 1ml Back Catalog number: 79051 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673613 alpha-HCH, 10 µg/ml, Ethyl acetate, 10ml Price on request 96540 Phenobarbital Price on request 683418 Ethyl perfluoro(2-methyl-3-oxahexanoate), 10mg Price on request