n-Butane Back Catalog number: 73647 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8914.14 6-Methyl-2',3,4,4'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. Price on request 92654 Organic Surrogate Standard Price on request 2788.8-100-IO 2-Methoxy-5-methylaniline, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 120-71-8 Price on request