Butyric acid (C4H8O2) Back Catalog number: 50677 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71016 Benzo(e)pyrene,1000µg/ml in methylene chloride,1ml Price on request 79379 Benzo(a)pyrene Price on request 9811.15-10MG 4-Acetylpsilocin fumarate, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. Price on request