Diesel Standard Back Catalog number: 90138 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended H669506-1MG Homovanillic Acid-d5, 1mg 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 81203 EPA Method 8121 Internal Standard Price on request