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CAS No 480-11-5 , 5,7-dihydroxy-6-methoxy-2-phenylchromen-4-one

  • Name: 5,7-dihydroxy-6-methoxy-2-phenylchromen-4-one
  • Synonyms: CHEBI:61668;5,7-dihydroxy-6-methoxy-2-phenylchromen-4-one; 5,7-dihydroxy-6-methoxy-2-phenyl-4H-1-benzopyran-4-one; 5,7-dihydroxy-6-methoxy-2-phenylchromen-4-one;Oroxylin A; 480-11-5;
  • CAS Registry Number:
  • Flash Point: 207.4°C
  • Boiling Point: 540.9°Cat760mmHg
  • Density: 1.42g/cm3
  • Refractive index: 1.668
  • Flash Point: 207.4°C
  • Molecular Weight: 284.26348
  • InchiKey: LKOJGSWUMISDOF-UHFFFAOYSA-N
  • InChI: InChI=1S/C16H12O5/c1-20-16-11(18)8-13-14(15(16)19)10(17)7-12(21-13)9-5-
    3-2-4-6-9/h2-8,18-19H,1H3
  • Molecular Formula: C16H12O5
  • Molecular Structure:CAS No:480-11-5 5,7-dihydroxy-6-methoxy-2-phenylchromen-4-one

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References of 5,7-dihydroxy-6-methoxy-2-phenylchromen-4-one
Title: Oroxylin A
CAS Registry Number: 480-11-5
CAS Name: 5,7-Dihydroxy-6-methoxy-2-phenyl-4H-1-benzopyran-4-one
Synonyms: 5,7-dihydroxy-6-methoxyflavone; oroxylin
Molecular Formula: C16H12O5
Molecular Weight: 284.26
Percent Composition: C 67.60%, H 4.26%, O 28.14%
Literature References: From root bark of Oroxylum indicum Vent., Bignoniaceae: Naylor, Chaplin, Pharm. J. 20, 257 (1890); Naylor, Dyer, J. Chem. Soc. 79, 954 (1901); Row et al., Proc. Indian Acad. Sci. 28A, 189 (1948). Structure: Shah et al., J. Chem. Soc. 1936, 591; 1938, 1555. Synthesis: Murti, Seshadri, Proc. Indian Acad. Sci. 29A, 1 (1949); Sarin, Seshadri, J. Sci. Ind. Res. 19B, 117 (1960); Molho, Gerphagnon, Bull. Soc. Chim. Fr. 1963, 607; Varady, Tetrahedron Lett. 1965, 4281.
Properties: Yellow plates from ethanol, mp 231-232°. Sol in alc, acetone, hot benzene, ether, alkalies, glacial acetic acid; sparingly sol in chloroform; practically insol in water.
Melting point: mp 231-232°
 
Derivative Type: Diacetyl oroxylin
Molecular Formula: C20H16O7
Molecular Weight: 368.34
Percent Composition: C 65.22%, H 4.38%, O 30.41%
Properties: Needles from alcohol, mp 131-132°.
Melting point: mp 131-132°