Mass-Labelled PCDD/PCDF Solution Mixture, 1.2ml, nonane Back Catalog number: NK-LCS-T Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 72246 Ribitol Price on request 3778.7-K-IO 2-Ethyl-5-methylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 13360-64-0 Price on request 72031 Theophylline Price on request