Aromatic Internal Standard Back Catalog number: 92285 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2459.7-K-IP 3-Methyl-4-nitrophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2581-34-2 Price on request 57027 Cobalt (Co) Price on request 673667 Piperonyl butoxide, 10 µg/ml, Ethyl acetate, 10m Price on request