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CAS No 18642-23-4 , 3,9-dihydroxy-2-(3-methylbut-2-enyl)-[1]benzofuro[3,2-c]chromen-6-one

  • Name: 3,9-dihydroxy-2-(3-methylbut-2-enyl)-[1]benzofuro[3,2-c]chromen-6-one
  • Synonyms: 3,9-dihydroxy-2-(3-methylbut-2-enyl)-[1]benzofuro[3,2-c]chromen-6-one; 3,9-Dihydroxy-2-(3-methyl-2-butenyl)-6H-benzofuro(3,2-c)(1)benzopyran-6-one; 18642-23-4; AC1NQZ4K;3,9-Dihydroxy-2-prenylcoumestan;
  • CAS Registry Number:
  • Flash Point: 231.3°C
  • Boiling Point: 458.8°Cat760mmHg
  • Density: 1.383g/cm3
  • Refractive index: 1.688
  • Flash Point: 231.3°C
  • Molecular Weight: 336.33804
  • InchiKey: YABIJLLNNFURIJ-UHFFFAOYSA-N
  • InChI: InChI=1S/C20H16O5/c1-10(2)3-4-11-7-14-17(9-15(11)22)25-20(23)18-13-6-5-
    12(21)8-16(13)24-19(14)18/h3,5-9,21-22H,4H2,1-2H3
  • Molecular Formula: C20H16O5
  • Molecular Structure:CAS No:18642-23-4 3,9-dihydroxy-2-(3-methylbut-2-enyl)-[1]benzofuro[3,2-c]chromen-6-one

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References of 3,9-dihydroxy-2-(3-methylbut-2-enyl)-[1]benzofuro[3,2-c]chromen-6-one
Title: Psoralidin
CAS Registry Number: 18642-23-4
CAS Name: 3,9-Dihydroxy-2-(3-methyl-2-butenyl)-6H-benzofuro[3,2-c][1]benzopyran-6-one
Synonyms: 6-(3-methylbut-2-enyl)coumestrol
Molecular Formula: C20H16O5
Molecular Weight: 336.34
Percent Composition: C 71.42%, H 4.79%, O 23.78%
Literature References: Extracted from the seed kernel of Psoralea corylifolia Linn., Leguminosae. Isoln: Chakravarti, J. Sci. Ind. Res. 7B, 24 (1948). Structure: Duttagupta et al., Chem. Ind. (London) 1960, 937. Synthesis: Khastgir et al., Tetrahedron 14, 275 (1961).
Properties: Crystals from acetone, mp 290-292°. Shows violet fluorescence in dil ethanol soln. Absorption spectra: Khastgir et al., loc. cit.
Melting point: mp 290-292°
 
Derivative Type: Diacetate
Molecular Formula: C24H20O7
Molecular Weight: 420.41
Percent Composition: C 68.57%, H 4.80%, O 26.64%
Properties: Crystals from ethyl acetate, mp 221-223°.
Melting point: mp 221-223°
 
 
Status: This monograph has been retired and is no longer subject to revision or update.