2,2',4,4',6,6'-Hexabromobiphenyl, 1.2ml x 50ug/ml, nonane

Seco-18 alpha(H)-oleanane B2; 17,18-trans-8,14-seco-oleanane, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no.

4-tert-Octylphenol triethoxylate,1000 µg/mL,acetone,1mL,

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.