Interference Standard 4 Back Catalog number: 52041A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2698.19-100-ME Noramitriptyline hydrochloride, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 894-71-3 Price on request 92734 Aroclor 1242 Price on request 0042.14-100-T 9,10-Dinitroanthracene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 33685-60-8 Price on request