Method 1668A/B Calibration Solution [CS2], 5ng/ml in Nonane, 0,2ml Back Catalog number: EC-4976-2 Availability: In the manufacturer's stock Price on request - + Recommended 2891.12-100-IO 4,4'-Dibromooctafluorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 10386-84-2 Price on request 10335.16-10MG O-Desmethylvenlafaxine,neat,neat,10mg, Price on request ISO/DIS9377-4-1 Quality Control Standard, 1000µg/ml in AC, 1ml Price on request