Interference Standard Mix 2 Back Catalog number: 52040 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2439.14-K-IP 2-Benzyl-4-methylphenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 716-96-1 Price on request 94202 Volatile Standard Price on request 10041.19 6-Acetylmorphine (free base), , Solvent-, Unit , # of units-, Cas.no. Price on request