3-epi-Isocucurbitacin B
[CAS# 89647-62-1]

Identification

• Name: 3-epi-Isocucurbitacin B
• Synonyms: (3beta,9beta,10alpha,16alpha,23E)-25-(Acetyloxy)-3,16,20-trihydroxy-9-methyl-19-norlanosta-5,23-diene-2,11,22-trione; 3-epi-Isocucurbitacin B; 3beta,16alpha,20(R)-Trihydroxy-25-acetoxy-2,11,22-trioxocucurbita-5,23(E)-diene; NSC 359240
• Molecular Formula: C₃₂H₄₆O₈
• Molecular Weight: 558.70
• CAS Registry Number: 89647-62-1

Properties

• Solubility: Practically insoluble (0.042 g/L) (25 ºC), Calc.^*
• Density: 1.23±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 100-105 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2018 ACD/Labs)

^** Kitajima, Junichi; Yakugaku Zasshi 1989, V109(4), P265-70.