Cucurbitacin B

Product Specifications

Synonyms

19-Norlanosta-5,23-diene-3,11,22-trione, 25-(acetyloxy)-2,16,20-trihydroxy-9-methyl-, (2β,9β,10α,16α,23E)-; 19-Nor-9β,10α-lanosta-5,23-diene-3,11,22-trione, 2β,16α,20,25-tetrahydroxy-9-methyl-, 25-acetate (7CI,8CI); (+)-Cucurbitacin B; (2β,9β,10α,16α,23E)-25-(Acetyloxy)-2,16,20-trihydroxy-9-methyl-19-norlanosta-5,23-diene-3,11,22-trione; Amarine; Cucurbitacin B; Cucurbitacine B; NSC 144154; NSC 49451

Hazard Statement

Fatal if swallowed; UN number: UN2811; Packing Group: I

Purity

>95% (HPLC)

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=C4[C@@H](C[C@H](O)C(=O)C4(C)C)[C@]3(C)C(=O)C[C@]12C

Molecular Formula

C32 H46 O8

Molecular Weight

558.7

InChI

InChI=1S/C32H46O8/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/h10,12-13,19-22,25,34-35,39H,11,14-16H2,1-9H3/b13-12+/t19-,20+,21-,22+,25+,29+,30-,31+,32+/m1/s1

Additionnal Information

IUPAC 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