200198 -OEChem-02060822402D 0 0 0 0 0 0 0 0 0999 V2000 M END > 200198 > 3 > ChemIDplus > 977057832 > 977057832 > Ethylene oxide-propylene oxide copolymer, MW 3500-4125 Ethylene oxide/propylene oxide copolymer (avg MW 3,500-4,125) Poloxamer-331 alpha-Hydro-omega-hydroxypoly(oxyethylene)/poly(oxypropylene)(53-59 moles)/poly(oxyethylene)(14-16 moles) block copolymer, > 977057832 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=977057832 $$$$