Internal Standard for AB SIM Back Catalog number: 94541 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0984.20-100-IO d2 C20 Triaromatic Sterane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205529-79-9 Price on request 79334 Methapyrilene HCl Price on request 678289 2,4-Dibromophenol, 10µg/ml in MeOH, 10ml Price on request