4,4'-Butylidenebis(6-tert-butyl-m-cresol) Back Catalog number: 71920 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended IPPFNS Sodium perfluoro-7-methyloctanesulfonate, 1.2ml x 50ug/ml, methanol Price on request 678005 Fensulfothion-sulfone, 100 µg/ml, Toluene, 1ml Price on request 10738.12.100-IO 2,2',3,3',4,5,6'-Heptachlorobiphenyl Price on request