Mix #2 Back Catalog number: 50235 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2540.7-K-ME Paraxanthine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 611-59-6 Price on request 59746 Anions Mix #2 Price on request 9754.17-250MG n-Butyl n-pentyl phthalate, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 3461-29-8 Price on request