Laboratory Fortification Standard Back Catalog number: 59172 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 82459 Method 8085 Surrogates Price on request 3349.9-100-AN Cyanazine, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 21725-46-2 Price on request 9418.17-K-ME Venlafaxine-d6 hydrochloride (N,N-dimethyl-d6), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1062606-12-5 Price on request