| | Identification | Back Directory |  | [Name] 
 benzo[1,2-b:3,4-b']dipyran-9-ylester, (2Z)-
 |  | [CAS] 
 73069-27-9
 |  | [Synonyms] 
 (+)-Praeruptorin A
 3,4-b'dipyran-9-ylester
 3,4-b']dipyran-9-ylester, (2Z)-
 benzo[1,2-b:3,4-b']dipyran-9-ylester, (2Z)-
 (9S,10S)-10-acetyloxy-8,8-dimethyl-2-oxo-9,10-dihydropyrano[2,3-f]chromen-9-yl](Z)-2-methylbut-2-enoate
 9,10-Dihydro-9β-[(Z)-1-oxo-2-methyl-2-butenyloxy]-10β-(acetyloxy)-8,8-dimethyl-2H,8H-benzo[1,2-b:3,4-b']dipyran-2-one
 (Z)-2-Methyl-2-butenoic acid [(9S,10S)-10β-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran]-9β-yl ester
 2-Butenoic acid, 2-methyl-, (9S,10S)-10-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester, (2Z)-
 |  | [Molecular Formula] 
 C21H22O7
 |  | [MDL Number] 
 MFCD11111496
 |  | [MOL File] 
 73069-27-9.mol
 |  | [Molecular Weight] 
 386.395
 | 
 | Chemical Properties | Back Directory |  | [Melting point ] 
 136-137 °C(Solv: ethanol (64-17-5))
 |  | [Boiling point ] 
 486.8±45.0 °C(Predicted)
 |  | [density ] 
 1.28±0.1 g/cm3(Predicted)
 |  | [storage temp. ] 
 4°C, protect from light
 |  | [solubility ] 
 Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
 |  | [form ] 
 Powder
 |  | [color ] 
 White to off-white
 |  | [InChI] 
 InChI=1S/C21H22O7/c1-6-11(2)20(24)27-19-18(25-12(3)22)16-14(28-21(19,4)5)9-7-13-8-10-15(23)26-17(13)16/h6-10,18-19H,1-5H3/b11-6-/t18-,19-/m0/s1
 |  | [InChIKey] 
 XGPBRZDOJDLKOT-NXIDYTHLSA-N
 |  | [SMILES] 
 C(O[C@@H]1C(C)(C)OC2=CC=C3C=CC(=O)OC3=C2[C@@H]1OC(C)=O)(=O)/C(/C)=C\C
 | 
 | Hazard Information | Back Directory |  | [Chemical Properties] 
 White needle-like crystals, fat-soluble, easily soluble in organic solvents.
 |  | [Uses] 
 Praeruptorin A (Standard) is the analytical standard of Praeruptorin A. This product is intended for research and analytical applications. Praeruptorin A is a main bioactive constituent of Peucedanum praeruptorum (also known as Bai-Hua Qian Hu). Praeruptorin A exerts anti-inflammatory effects in vitro through inhibition of NF-κB activation.
 |  | [Biological Activity] 
 Praeruptorin A is a major bioactive constituent of Peucedanum praeruptorum. It exerts anti-inflammatory effects by inhibiting NF-κB activation.
 |  | [target] 
 
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