Metals Mix Back Catalog number: 59111 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3455.8-100 Metribuzin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 21087-64-9 Price on request 2517.8-500MG Caffeine, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 58-08-2 Price on request CNLM-8150-1.2 Melamine (13C3,99%; Amino-15N3,98%) 100 µg/mL in Water, 1,2ml Price on request