Propionic acid Back Catalog number: 79401 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-1234689-S 1,2,3,4,6,8,9-Heptachlorodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 79269 Dibenzo(a,l)pyrene Price on request 10457.12-K-T 4,4'-Sulfonylbis(2,6-dibromophenol), techn. Price on request