Propionic acid sodium salt, 1g Back Catalog number: NG-17604-1G Availability: In the manufacturer's stock Price on request - + Recommended 2000.12-10MG 2,2',5,5'-Tetrachlorobiphenyl,neat,neat,10mg, Price on request S-4173-100-XY Recovery ISTD - PAH 3 Analytes each 100µg/mL in xylene; unit: 1x1mL 1534.20 d12-Perylene [1520-96-3] 1524.12 d10-Acenaphthene [15067-26-2] 1530.13 d10-Fluorene [81103-79-9] Price on request MDF-0 [13C12]Dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request