4,4’-Butylidenebis(6-tert-butyl-m-cresol) Back Catalog number: 93223 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71531 Methyl octanoate Price on request 66154 PCB No. 154, 100µg/ml in Isooctane, 1ml Price on request 80403 EPA Method 8040 - Surrogate Standard Price on request