Internal Standard ASTM D-5307 Back Catalog number: 51124 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1049.14-K-IO Anthracene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 120-12-7 Price on request S-4814-05-AN MIX 11 13c Aflatoxins Price on request 71976 trans-Decahydronaphthalene Price on request