Internal Standard Solution, 1.2ml, nonane Back Catalog number: EPA-23IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 8480.10-K-IPX5 2-Naphthol-d7, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-5, Cas.no. 78832-54-9 Price on request C12451000 2,4-Dichlorophenol, certified, 0.25g Price on request 10002.18 (1S,2R,3R,4S)-rel-1,2,3,4-Tetrahydro-1,2,3,4-chrysenetetrol, , Solvent-, Unit , # of units-, Cas.no. 79356-06-2 (Unspecified sterochemistry) Price on request