Internal standard 2, 2000g/ml in MeOH, 1ml Back Catalog number: 30068 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 8345.28-100-IO Ergosterol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 57-87-4 Price on request 97814 Phenols Standard #1 Price on request 1758.27-50-IO 22,29,30-Trisnorhop-17(21)-ene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 65132-06-1 Price on request