(±)-Praeruptorin B
[CAS# 73069-26-8]

Identification

• Name: (±)-Praeruptorin B
• Synonyms: (2Z,2'Z)-rel-2-Methyl-2-butenoic acid (9R,10R)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9,10-diyl ester
• Molecular Formula: C₂₄H₂₆O₇
• Molecular Weight: 426.46
• CAS Registry Number: 73069-26-8

Properties

• Solubility: Insoluble (8.1E^-3 g/L) (25 ºC), Calc.^*
• Density: 1.24±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 122-123 ºC (methanol )^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

^** Gao, Yunling; Yunnan Zhiwu Yanjiu 2004, V26(2), P234-236.