【Product Name】  Cucurbitacin B

【CAS Number】  6199-67-3

【Chemical Name】  [(E,6R)-6-[(2S,8S,9R,10R,13R,14S,16R,17R)-2,16-dihydroxy-4,4,9,13,14-pentamethyl-3,11-dioxo-2,7,8,10,12,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-17-yl]-6-hydroxy-2-methyl-5-oxohept-3-en-2-yl] acetate

【Smiles】  CC(=O)OC(C)(C)C=CC(=O)C(C)(C1C(CC2(C1(CC(=O)C3(C2CC=C4C3CC(C(=O)C4(C)C)O)C)C)C)O)O

【Chemical Formula】  C32H46O8

【Molecular Weight】   558.70

【Chemotaxonomic Group】   Triterpenoids

【Source】   1 Bolbostemma sp. 2 Bryonia sp. 3 Cayaponia sp. 4 Chrysosplenium sp. 5 Citrullus sp. 6 Conobea sp. 7 Cucumis sp. 8 Cucurbita sp. 9 Ecballium sp. 10 Hemsleya sp. 11 Licania sp. 12 Luffa sp. 13 Melonis sp. 14 Morierina sp. 15 Trichosanthes sp. 16 Wilbrandia sp.