WS Organochlorine Pesticides Back Catalog number: 38026 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54212 Ammonia as (NH4+) Price on request ND33891 Ciprofloxacin-piperazinyl-N-sulfate-d8, 1mg Price on request B2729 4,4'-Bis(2-benzoxazolyl)stilbene, >97%, 25g Price on request