polo188Poloxamer 188 10%, sterile-filtered, BioReagent, suitable for insect cell culture; CAS Number: 9003-11-6; Synonyms: Poloxamer 188 at Sma-AldrichStructure of Poloxamer 188, with two hydrophilic ends and a hydrophobic core in the middle. Currently, available literature depicts that P188 has a half-life of 18 hours after injection in