Nitrate & Nitrite as N Back Catalog number: 54521 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3479.23-100 d-(cis-trans)-Phenothrin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 26002-80-2 Price on request 32681 1,4-Diethylbenzene Price on request 90532 2-Propanol Price on request