Discrimination PAH Standard Back Catalog number: 98265 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0670.4-KIT 24-Methylcholestane isomer Kit; includes 3054,3055,0607,0643, , Solvent-, Unit Kit, # of units-, Cas.no. Price on request 680166 Butyric acid, 1ml Price on request 59765 Potassium Chloride Modifier (K) Price on request