Calibration Standard Kit Back Catalog number: 52089 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10140.18-10MG Estrone-2,4,16,16-d4, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 53866-34-5 Price on request 2743.12-K-IP N-Nitroso-di-n-hexylamine, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 6949-28-6 Price on request 97024 o, m, & p-Xylenes Price on request