Nitrate & Nitrite as N Back Catalog number: 54521 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1745.13-K-T Benzo[c]quinoline, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 229-87-8 Price on request 675716 Chlormephos, 100 µg/ml, Ethyl acetate, 5ml Price on request C15717000 Ofloxacin, certified, 0.1g Price on request