Method 1640Mix A Back Catalog number: 52146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2551.18-100-ME O-Acetylsalicylic anhydride, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1466-82-6 Price on request 1381.2-1ML Methyl formate, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 107-31-3 Price on request I937500 Itraconazole, 100mg Price on request