beta-Endosulfan, 100 µg/ml, Methanol, 1ml Back Catalog number: 679467 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11140.9-50-T 1,4,5,6,7,7-Hexachlorobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid,50 µg/mL,toluene,1mL, Price on request 71215 Cyclohexylamine Price on request 1550.19-K-IOX10 n-Nonadecane-d40, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 39756-36-0 Price on request