The chemical Misoprostol has a designated molecular formula of C22H38O5 and a molecular weight of 382.541 g/mol. Synonyms may include: BRN 4155643, CCRIS 6859, Cytotec, (11-alpha,13E)-(+-)-11,16-Dihydroxy-16-methyl-9-oxoprost-13-en-1-oic acid methyl ester, HSDB 3573, Methyl (+-)-11-alpha,16-dihydroxy-16-methyl-9-oxoprost-13-en-1-oate, Misoprostolum [INN-Latin], SC-29333, SC 29333, Misoprostolum, Misotol, UNII-0E43V0BB57 (ChemID).