EPA Method 525 - Pesticide Standard Back Catalog number: 30027 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50677 Butyric acid (C4H8O2) Price on request 676577 Fthalide, 10mg Price on request 2740.27-10MG 5ß(H)-Cholestan-3-one, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 601-53-6 Price on request