VITIPURE P 188 MG product is an alpha hydrogen - hydroxy poly (ethylene oxide) a-poly (propylene oxide) b-poly (ethylene oxide) a block copolymer. Reaction of epichlorohydrin and propylene glycol to form polyoxypropylene glycol, followed by addition of ethylene oxide to form block copolymers. In the copolymer, the ethylene oxide units (a) are 75-85, the propylene oxide units (b) are 25-30, the ethylene oxide (EO) content is 79.9% -83.7%, and the average molecular weight is 7680-9510.

VitiPure LEX 3350 S is a medium molecular weight polyethylene glycol excipient type of the VitiPure LEX range for sensitive APIs and formulations, including injectables. With defined microbiological & endotoxin checks of the final packed product batch, which are given individually on the certificate of analysis.