n-Butane Back Catalog number: 73647 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 676926 4,4'-Diaminodiphenylmethane, 250mg Price on request C242950 Cefotaxime Sodium, 1g Price on request 2785.12-100-IO 3,3'-Dichlorobenzidine, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 91-94-1 Price on request