Evonik introduced RESOMER® Zero and RESOMER® Sterile versions of both its standard RESOMER® polymers and RESOMER® Select customized solutions.
RESOMER® Zero is a premium excipient almost entirely free of tin-based catalyst. This is achieved by means of a proprietary GMP process that essentially eliminates residual tin content (1ppm or less).
Consequently, RESOMER® Zero is ideal for formulations with APIs sensitive to elemental impurities. Moreover, in contrast to other low-metal polymers, RESOMER® Zero provides pharmaceutical companies with a full range of molecular weights and a broad choice of polymer parameters. RESOMER® Sterile is the market’s first and only sterile controlled-release poly (lactic-co-glycolic) acid (PLGA) excipient.
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