Cucurbitacin E

CAS: 18444-66-1

Ref. 11-0020S

Product Information

• Name: Cucurbitacin E
• Synonyms: alpha-Elaterin, (23E)-2,16,20-trihydroxy-9,10,14-trimethyl-1,11,22-trioxo-4,9-cyclo-9,10-secocholesta-2,5,23-trien-25-yl acetate, (4R,9beta,16alpha,23E)-2,16,20-trihydroxy-9,10,14-trimethyl-1,11,22-trioxo-4,9-cyclo-9,10-secocholesta-2,5,23-trien-25-yl acetate, (9β,10α,16α,23E)-25-(Acetyloxy)-2,16,20-trihydroxy-9-methyl-19-norlanosta-1,5,23-triene-3,11,22-trione, 18444-66-1, 19-Nor-9β,10α-lanosta-1,5,23-triene-3,11,22-trione, 2,16α,20,25-tetrahydroxy-9-methyl-, 25-acetate, 19-Norlanosta-1,5,23-triene-3,11,22-trione, 25-(acetyloxy)-2,16,20-trihydroxy-9-methyl-, (9β,10α,16α,23E)-, 2,16,20-Trihydroxy-9,10,14-Trimethyl-1,11,22-Trioxo-4,9-Cyclo-9,10-Secocholesta-2,5,23-Trien-25-Yl Acetate, Cucurbitacine E, NSC 106399, NSC 521775, [(E)-5-[(8S,9R,10R,13R,14S,16R,17R)-2,16-dihydroxy-4,4,9,13,14-pentamethyl-3,11-dioxo-8,10,12,15,16,17-hexahydro-7H-cyclopenta[a]phenanthren-17-yl]-5-hydroxy-1,1-dimethyl-4-oxo-hex-2-enyl] acetate, cucurbitacin E, α-Elaterin, α-Elaterine
• CAS: 18444-66-1

Description

Cucurbitacin E analytical standard provided with w/w absolute assay, to be used for quantitative titration.

• Brand: Extrasynthese

Chemical properties

• Molecular weight: 556.7
• Formula: C₃₂H₄₄O₈
• Purity: (HPLC) ≥95%
• Color/Form: Powder
• InChI: InChI=1S/C32H44O8/c1-17(33)40-27(2,3)13-12-23(36)32(9,39)25-21(35)15-29(6)22-11-10-18-19(14-20(34)26(38)28(18,4)5)31(22,8)24(37)16-30(25,29)7/h10,12-14,19,21-22,25,34-35,39H,11,15-16H2,1-9H3/b13-12+/t19?,21-,22+,25+,29+,30-,31+,32+/m1/s1
• InChI key: InChIKey=NDYMQXYDSVBNLL-LKTQYHBLSA-N
• SMILES: CC(=O)OC(C)(C)/C=C/C(=O)[C@](C)(O)[C@H]1[C@H](O)C[C@@]2(C)[C@@H]3CC=C4C(C=C(O)C(=O)C4(C)C)[C@]3(C)C(=O)C[C@]12C