Calibration Standard Mix 4 Back Catalog number: 52013A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679890 2,4-Diaminoanisole, 100 µg/ml, Acetonitrile, 1ml Price on request 10038.18-100-AN N-Nitroso-N,N-di-(7-methyloctyl)amine, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 643014-99-7 Price on request 9195.22-100-ME Sildenafil-d3 (N-methyl-d3-piperazine), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1126745-90-1 Price on request