SPDP acid is a non-PEG crosslinker. References: Boni FI, Prezotti FG, Cury BS. Gellan gum microspheres crosslinked with trivalent ion: effect of polymer and crosslinker concentrations on drug release and mucoadhesive properties. Drug Dev Ind Pharm. 2016 Aug;42(8):1283-90. doi: 10.3109/03639045.2015.1125915. Epub 2016 Jan 29. PubMed PMID: 26616390.

纯度：≥98%

CAS：68617-64-1