Interference Standard 4 Back Catalog number: 52041A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10049.24-50-AN JWH-016 COOH, 50µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. Price on request 2769.9-100-AN Propazine, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 139-40-2 Price on request 0235.16-10MG Pyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 129-00-0 Price on request