PCB 138, 10.0 µg/ml, Isooctane, 10ml Back Catalog number: 682123 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1569.18-K-ME Norcodeine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 467-15-2 Price on request H945928 7-Hydroxy Methotrexate-d3 Ammonium Salt, 1mg Price on request 682412 2-Ethoxyethyl acetate, 1000mg Price on request