Butyric acid (C4H8O2) Back Catalog number: 50677 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 32065 EPA Method 502/524 High Conc VOC Mix #8, 2000µg/ml in MeOH, 1ml Price on request 1790.20-1MG 3-Aminobenzo[e]pyrene, neat, Solvent-neat, Unit 1mg, # of units-1, Cas.no. 120014-98-4 Price on request 676515 2-Chlorobenzamide, 100mg Price on request