Urs-12(13)-ene, 100µg/ml in Isooctane, 1ml Back Catalog number: 0786.30-100-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 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 675358 PCB 108, 5mg Price on request 51124 Internal Standard ASTM D-5307 Price on request