Perfluoro-n-tridecanoic acid, 1.2ml x 50ug/ml, methanol Back Catalog number: PFTRDA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 11768.12-100-IO 2,3,3',4,5,5',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 2713.13-100-ME 2-Methyl-1-[4-(1-methylethyl)phenyl]-1-propanone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 72846-62-9 Price on request 94451 n-Butyl acetate Price on request