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CAS No 486-66-8 , 7-hydroxy-3-(4-hydroxyphenyl)chromen-4-one Search by region : Germany

  • Name: 7-hydroxy-3-(4-hydroxyphenyl)chromen-4-one
  • Synonyms: Diadzein;Daidzeol;7-hydroxy-3-(4-hydroxyphenyl)chromen-4-one; Isoaurostatin; 4',7-Dihydroxyisoflavone; 486-66-8; 7,4'-Dihydroxyisoflavone;
  • CAS Registry Number:
  • Transport: 25kgs
  • Melting Point: 315-323oC (dec.)
  • Density: 1.443 g/cm3
  • Refractive index: 1.698
  • Safety Statements: R36/38
  • Hazard Symbols: Xi: Irritant;
  • EINECS: 207-635-4
  • Molecular Weight: 254.2375
  • InchiKey: ZQSIJRDFPHDXIC-UHFFFAOYSA-N
  • InChI: InChI=1S/C15H10O4/c16-10-3-1-9(2-4-10)13-8-19-14-7-11(17)5-6-12(14)15
    (13)18/h1-8,16-17H
  • Risk Statements: S26;S37/39
  • Molecular Formula: C15H10O4
  • Molecular Structure:CAS No:486-66-8 7-hydroxy-3-(4-hydroxyphenyl)chromen-4-one

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486-66-8 DAIDZEIN

  • Germany Cfm Oskar Tropitzsch [Manufacturer]
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486-66-8 Daidzein

  • Germany Fox Chemicals GmbH [Manufacturer]
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486-66-8 DAIDZEIN

  • Germany BIOTREND Chemikalien GmbH [Manufacturer]
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  • Address: BIOTREND Chemikalien GmbH
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486-66-8 7-HYDROXY-3-(4-HYDROXY-PHENYL)-CHROMEN-4-ONE, DAIDZEIN

  • Germany CHESS GmbH [Manufacturer]
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486-66-8 7-Hydroxy-3-(4-hydroxy-phenyl)-chromen-4-one

  • 7-Hydroxy-3-(4-hydroxy-phenyl)-chromen-4-oneDaidzein, 98
  • Germany CHESS GmbH [Manufacturer]
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References of 7-hydroxy-3-(4-hydroxyphenyl)chromen-4-one
Title: Daidzein
CAS Registry Number: 486-66-8
CAS Name: 7-Hydroxy-3-(4-hydroxyphenyl)-4H-1-benzopyran-4-one
Synonyms: 4￠,7-dihydroxyisoflavone
Molecular Formula: C15H10O4
Molecular Weight: 254.24
Percent Composition: C 70.86%, H 3.96%, O 25.17%
Literature References: The aglucon of daidzin, prepd by hydrolysis with HCl in methanol: Walz, Ann. 489, 118 (1931). Isoln from red clover: Wong, J. Sci. Food Agric. 13, 304 (1962); from the mold Micromonospora halophytica: Ganguly, Sarre, Chem. Ind. (London) 1970, 201. Synthesis: Baker et al., J. Chem. Soc. 1933, 274; Wessely et al., Ber. 66, 685 (1933); Mahal et al., J. Chem. Soc. 1934, 1769; Baker et al., ibid. 1953, 1852; Farkas, Ber. 90, 2940 (1957). Biosynthetic study: Grisebach, Zilg, Z. Naturforsch. 23b, 494 (1968).
Properties: Pale-yellow prisms from dil alc, dec 315-323°. uv max: 250 nm (log e 4.44). Sol in alcohol, ether.
Absorption maximum: uv max: 250 nm (log e 4.44)
 
Derivative Type: 7-Glucoside
Synonyms: Daidzin
Molecular Formula: C21H20O9
Molecular Weight: 416.38
Percent Composition: C 60.58%, H 4.84%, O 34.58%
Literature References: Isoln from soybean meal (Soja hispida): Walz, loc. cit. Synthesis: Farkas, Várady, Ber. 92, 819 (1959).
Properties: Monohydrate, needles from water, dec 234-236°. [a]D20 -36.4° (0.02N NaOH). Sol in water and aq alcohol.
Optical Rotation: [a]D20 -36.4° (0.02N NaOH)