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CAS No 486-66-8 , 7-hydroxy-3-(4-hydroxyphenyl)chromen-4-one

  • 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

  • China Sino Great Enterprise Ltd. [Manufacturers]
  • Tel: 86-731-84427351
  • Fax: +86-731-84429615
  • Address: 154 Jianxiang South Road, Changsha, Hunan, 410005, China. changsha,hunanChina
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486-66-8 Soybean Extract

  • China Shanghai Mingdou Chemical Co.,Ltd [Manufacturers]
  • Tel: 86-21-52912919
  • Fax: 021-52912097
  • Address: Floor 12th, Zhenyuan Building ,No 2052.North Zhongshan Road, Shanghai,China null,shanghaiChina
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486-66-8 Daidzein

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486-66-8 Daidzein

  • China Xi'an app-chem bio(tech) co.,ltd [Manufacturers]
  • Tel: +86-29-88346300 029-88318908
  • Fax: +86-29-88346300
  • Address: Gazelle Valley,No.69,Jinye Road xi'an,shangxiChina
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486-66-8 Daidzein

  • China Sichuan Sangao Biochemical Co., Ltd [Manufacturers]
  • Tel: +86-28-84874233
  • Fax: +86-28-84856237
  • Address: No 329, Mid Yidu Avenue, Longquan Yi District, Chengdu 610100 Chengdu,SichuanChina
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486-66-8 Daidzein

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486-66-8 Daidzein

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486-66-8 Soy Bean Extract

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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]
  • Tel: +49-621-3189794
  • Fax: +49-621-3189691
  • Address: Max-Planck-Str. 168169 MannheimGERMANY Mannheim,nullGermany
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486-66-8 Daidzein

  • Daidzein, 99,0%
  • United States LC Laboratories [Manufacturer]
  • Tel: 781-937-0777
  • Fax: 781-938-5420
  • Address: LC Laboratories
    165 New Boston Street
    Woburn, MA 01801 USA null,nullUnited States
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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)