Mass-Labelled PCB Syringe Spike Solution, 1.2ml, nonane Back Catalog number: PCB-IS-C20 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 1197.24-100MG 5ß(H)-Cholan-24-ol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 3110-99-4 Price on request 50625 Nitrite (NO2-) as N Price on request P-257S Bifenox, 100µg/ml in MeOH, 1ml Price on request