Interference Standard 4 Back Catalog number: 52041A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3494.11-100 Propoxur, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 114-26-1 Price on request 9084.14-100-IO Amylcinnamic aldehyde, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 122-40-7 Price on request 11898.20-10MG Maprotiline hydrochloride,neat,neat,10mg, Price on request