(-)-Altenuene, 100 µg/ml, Acetonitrile, 1ml Back Catalog number: 676513 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 0148.14-500-IO 4-Ethyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 89816-99-9 Price on request 66141 PCB No. 141, 100µg/ml in Isooctane, 1ml Price on request 19222 EPA Method 8070 - Nitrosamines Price on request