EPA Method 505 Analytes Conc Back Catalog number: 31181 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3299.23-K-IO Methyl 13-cis-docosenoate , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1120-34-9 Price on request 72125 Cephalexin Price on request 2305.23-K-AN Aripiprazole, 1000µg/ml in Acetonitrile, 1ml Price on request