PAH Native Stock Solution, 1.2ml, toluene Back Catalog number: PAH-STK-B Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended A14629760AL-100 Levonorgestrel, 100µg/mL in Acetonitrile, 1ml Price on request 3490.14-100-AN Profluralin Price on request 2518.7-100-ME Theophylline, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 58-55-9 Price on request