Niobium (Nb) Back Catalog number: 58041 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2444.7-K-IP 4-Nitroanisole, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 100-17-4 Price on request 90822 PAH Standard Price on request 2650.6-1ML Cyclohexene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 110-83-8 Price on request