Piperacillin Back Catalog number: 72236 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2361.24-K-IO Di-n-octyl phthalate-3,4,5,6-d4,1000 µg/mL,isooctane,1mL, Price on request 0783.17-500-IO 1,2,8-Trimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 20291-75-2 Price on request 10091.18-100-ME Estrone Price on request