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CAS No 480-44-4 , 5,7-dihydroxy-2-(4-methoxyphenyl)chromen-4-one Search by region : China

  • Name: 5,7-dihydroxy-2-(4-methoxyphenyl)chromen-4-one
  • Synonyms: Buddleoflavonol; 4'-Methoxyapigenin;Linarigenin;5,7-dihydroxy-2-(4-methoxyphenyl)chromen-4-one; 5,7-Dihydroxy-4'-methoxyflavone; Akatsetin; Acacetine; Linarisenin; 480-44-4;
  • CAS Registry Number:
  • Density: 1.42 g/cm3
  • Refractive index: 1.668
  • Water Solubility: Soluble in toluene:ethyl formiate:formic acid (5:4:1)
  • Safety Statements: 26-36
  • Hazard Symbols: Xi: Irritant;
  • EINECS: 207-552-3
  • Molecular Weight: 284.26348
  • InchiKey: DANYIYRPLHHOCZ-UHFFFAOYSA-N
  • InChI: InChI=1S/C16H12O5/c1-20-11-4-2-9(3-5-11)14-8-13(19)16-12(18)6-10(17)7-15
    (16)21-14/h2-8,17-18H,1H3
  • Risk Statements: R36/37/38
  • Molecular Formula: C16H12O5
  • Molecular Structure:CAS No:480-44-4 5,7-dihydroxy-2-(4-methoxyphenyl)chromen-4-one

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References of 5,7-dihydroxy-2-(4-methoxyphenyl)chromen-4-one
Title: Acacetin
CAS Registry Number: 480-44-4
CAS Name: 5,7-Dihydroxy-2-(4-methoxyphenyl)-4H-1-benzopyran-4-one
Synonyms: 5,7-dihydroxy-4￠-methoxyflavone; apigenin-4￠-methyl ether
Molecular Formula: C16H12O5
Molecular Weight: 284.26
Percent Composition: C 67.60%, H 4.26%, O 28.14%
Literature References: The aglycon of linarin, q.v., and of acaciin. Isoln from linarin: Zemplén, Bognar, Ber. 74B, 1818 (1941). From acaciin: Hattori, Acta Phytochim. 2, 105 (1925). Isoln from Robinia pseudoacacia L., Leguminosae: Nakazawa, Matsuura, J. Pharm. Soc. Jpn. 73, 481 (1953). Structure: Baker et al., J. Chem. Soc. 1951, 691. Synthesis: Robinson, Venkataraman, ibid. 1926, 2348; Zemplén, Bognar, Ber. 76B, 452 (1943); Narasimhachari, Seshadri, Proc. Indian Acad. Sci. 30A, 151 (1949); Simpson, Sci. Proc. R. Dublin Soc. 27, 111 (1956), C.A. 51, 8082a (1957).
Properties: Yellow needles from 95% alcohol, mp 263°. Sol in hot alc, practically insol in ether. Sol in alkalies with yellow color.
Melting point: mp 263°
 
Derivative Type: 7-Rhamnoglucoside
Synonyms: Acaciin
Molecular Formula: C28H32O14
Molecular Weight: 592.55
Percent Composition: C 56.75%, H 5.44%, O 37.80%
Literature References: From Robinia pseudacacia L., Leguminosae: Freudenberg, Hartmann, Ann. 587, 207 (1954). Structure: Zemplén, Mester, Magy. Kem. Foly. 56, 2 (1950), C.A. 45, 7977d (1951).
Properties: Needles from pyridine + water, mp 263°. [a] -85.3° (pyridine); -99.5° (glacial acetic acid). Sparingly soluble in cold, more sol in boiling water; slightly sol in organic solvents.
Melting point: mp 263°
Optical Rotation: [a] -85.3° (pyridine); -99.5° (glacial acetic acid)