The chemical Vinblastine has a designated molecular formula of C46H58N4O9 and a molecular weight of 810.989 g/mol. Synonyms may include: EINECS 212-734-0, HSDB 3263, 1H-Indolizino(8,1-cd)carbazole-5-carboxylic acid, 4-(acetyloxy)-3a-ethyl-9-(5-ethyl-1,4,5,6,7,8,9,10-octahydro-5-hydroxy-9-(methoxycarbonyl)-2H-3,7-methanoazacycloundecino(5,4-b)indol-9-yl)-3a,4,5,5a,6,11,12,13a-octahydro-5-hydroxy-8-methoxy-6-methyl-, methyl ester, (3aR-(3aalpha,4beta,5beta,5abeta,9(3R*,5S*,7R*,9S*),10bR*,13aalpha))-, 29060-LE, (3aR-(3aalpha,4beta,5beta,5abeta,9(3R*,5S*,7R*,9S*),10bR*,13aalpha))-methyl 4-(acetyloxy)-3a-ethyl-9-(5-ethyl-1,4,5,6,7,8,9,10-octahydro-5-hydroxy-9-(methoxycarbonyl)-2H-3,7-methanoazacycloundecino(5,4-b)indol-9-yl)-3a,4,5,5a,6,11,12,13a-octahydro-5-hydroxy-8-methoxy-6-methyl-1H-indolizino(8,1-cd)carbazole-5-carboxylate (ChemID). Vinblastine has been assigned a MeSH pharmacological action of: Antineoplastic.