PCB Mix 2.5 ppb Back Catalog number: 95259 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1373.7-5ML 1-Heptanol, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 111-70-6 Price on request 0253.34-10MG Isoviolanthrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 4430-29-9 Price on request 9649.16-100-ME Propranolol-d7 (ring-d7), 100µg base/mL, Solvent-methanol, Unit , # of units-, Cas.no. 344298-99-3 Price on request