QC Standard 3 Back Catalog number: 52086 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8357.12 4-Amino-5-fluoro-PCB-163, Please inquire, Solvent-, Unit , # of units-, Cas.no. Price on request 1783.10-10MG 2,3-Diaminonaphthalene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 771-97-1 Price on request 8386.17-5MG 3-Aminobenzanthrone, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. Price on request