17278-28-3, CAS No 17278-28-3

17278-28-3 isocucurbitacin B
Product Name	isocucurbitacin B
Synonyms	Isocucurbitacin B;2-EPICUCURBITICIN B;CUCURBITCIN B, 2-EPI-;NSC 106400;epi-Isocucurbitacin B;19-Norlanosta-5,23-diene-2,11,22-trione, 25-(acetyloxy)-3,16,20-trihydroxy-9-methyl-, (3alpha,9beta,10alpha,16alpha,23E)-;(1S,4R,9beta,16alpha,23E)-1,16,20-trihydroxy-9,10,14-trimethyl-2,11,22-trioxo-4,9-cyclo-9,10-secocholesta-5,23-dien-25-yl acetate;(1S,4R,9beta,16alpha,17alpha,23E)-1,16,20-trihydroxy-9,10,14-trimethyl-2,11,22-trioxo-4,9-cyclo-9,10-secocholesta-5,23-dien-25-yl acetate
Molecular Formula	C₃₂H₄₆O₈
Molecular Weight	558.7028
InChl	InChI=1/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/h10,12-13,19,21-22,25-26,35,38-39H,11,14-16H2,1-9H3/b13-12+/t19-,21-,22+,25-,26-,29+,30-,31+,32+/m1/s1
CAS Registry Number	17278-28-3
Molecular Structure
Density	1.23g/cm³
Boiling Point	702.4°C at 760 mmHg
Refractive Index	1.568
Flash Point	219.9°C
Vapour Pressur	8.26E-23mmHg at 25°C

17278-28-3 isocucurbitacin B