Methamidophos, 1000µg/ml in MeOH, 1ml

Canthaxanthin, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 514-78-3

2,2',4,5',6-Pentachlorobiphenyl (103)

Sulfur Calibration Stock Solution Thiophene 1000 µg/mL in Toluene; unit: 5x1mL ampoules Please request for diluted samples in the range 1 to 1000 ng/mL.