Ultroxa Quality directly available at SIGMA-ALDRICH®

A selection of ULTROXA® products is currently available in the SIGMA-ALDRICH® catalog.


  • Directly available
  • From more hydrophilic than PEG (PMeOx) to thermoresponsive (PnPrOx).
  • Different molecular weights from 5 to 50 kDa.
  • Six different chain-end functionalities available.
  • ULTROXA®: The best quality and molar mass definition in the market.