Method 504.1LFB Mix Back Catalog number: 94019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676830 Leucocrystal violet, 100mg Price on request 9267.22-25-AN U{13C22}-Roquefortine C, 25µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no. Price on request 2226.10-K-HX 1,3-Diethylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 141-93-5 Price on request