Desmetryn, 100 µg/ml, Acetonitrile, 5ml

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.

4-Chloro-2-nitroaniline, 500mg

4-Chlorophenoxyacetic acid methyl ester, 100mg