Propionic Acid (C3H6O2) Back Catalog number: 50678 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10626.12-50-T 1,2,3,7,8-Pentachlorodibenzo-p-dioxin Price on request 676731 Dinitolmide, 100mg Price on request 66214 Group 3 PCB’s - Low Toxicity Congeners Price on request