GLC Reference standard 569-C, 100mg Back Catalog number: GLC-569-C Availability: In the manufacturer's stock Price on request - + Recommended 71966 2,3-Dinitrotoluene Price on request MDF-2378 2,3,7,8-Tetrachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 674550 Parathion-ethyl, 100mg Price on request