Method 200.8/1638/1640 Internal Standard Back Catalog number: 53145 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 685596 Alitame, 50mg Price on request 72005 Isoeugenol Price on request 2964.9-100-IO Propazine-d14 (di-iso-propyl-d14), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1219802-87-5 Price on request