Stock Standard #4 Back Catalog number: 59047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3215.18-K-IO 6-cis-Octadecenoic acid , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 593-39-5 Price on request 91006 EPA Method 8270C Mix #27 Price on request 98902 Nonyl phenol ethoxylate Price on request