Chlorinated Pesticides Back Catalog number: 92405 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 94974 Organonitrogen Pesticides Price on request 1632.9-100-ME Cimetidine guanidine derivative (N-Methyl-N'-[2-[[(5-methyl-H-imidazol-4-yl)-methyl]-thiol]-ethyl]-guanidine dihydrochloride), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 59660-24-1 Price on request NIST-1649B Urban dust - Organic contaminants, 2g Price on request