Internal Standard Back Catalog number: 95592 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-LCS-C40 Mass-Labelled PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request 3226.20-K-IO 5,8,11,14,17-Eicosapentaenoic acid (all-cis), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 10417-94-4 Price on request 674706 TFNA-AM, 10mg Price on request