1,4-Naphthoquinone, 250mg

2-Nitrophenol, 100 µg/ml, Methanol, 1ml

ISO 9377-2 Calibration Mixture of BAM-K10 in Pentane Kit Cat. No. S-4451-SET2 Concentrations: Blank 50mg/L 100mg/L 200mg/L 500mg/L 1000mg/L 6x5mL The previously lowest concentration of 10mg/L has been discontinued and the set is from 2009 on deli

17 alpha(H),21ß(H)-25,30-Bisnorhopane, neat, Solvent-neat, Unit ca. 1µg , # of units-1, Cas.no.