4,4'-DDD, 100 µg/ml, Acetonitrile, 5ml Back Catalog number: 678378 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended S-4330-SET B[a]P/HCB Calibration standard Product s-4330-1 s-4330-2 s4330-3 s-4330-4 s-4330-5 concentr. Concentr. Concentr. Concentr. Conc Price on request 9215.7-100MG p-Chlorocresol (4-Chloro-3-cresol), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 59-50-7 Price on request HPCB-4007N 4-Hydroxy-2',3',4',5'-tetrachlorobiphenyl, 10mg Price on request