D7-Atrazine-desethyl, 10mg Back Catalog number: 680862 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 59967X Calibration Std. #2 Price on request 2637.28-1UG 17 alpha(H),21ß(H)-28,30-Bisnorhopane, neat, Solvent-neat, Unit ca. 1µg , # of units-1, Cas.no. Price on request 51129 Aromatics Quantitative Calibration Mix #1 Price on request