EPA Method 645 Analytes Back Catalog number: 40059 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9424.8-10MG Valproic acid, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 99-66-1 Price on request 9826.X-K-IO Chlorinated paraffins (Cl:40%), technical mix,1000 µg/mL,isooctane,1mL Price on request 10897.14-K-ME Lidocaine-d10 hydrochloride,1000 µg base/mL,MeOH,1mL Price on request