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CAS No 529-44-2 , 3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)chromen-4-one

  • Name: 3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)chromen-4-one
  • Synonyms: 529-44-2; 3,5,7,3',4',5'-Hexahydroxyflavone; Myricetol;Cannabiscetin; 3,3',4',5,5',7-Hexahydroxyflavone; Myricitin;3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)chromen-4-one;
  • CAS Registry Number:
  • Melting Point: 360 ºC
  • Density: 1.912 g/cm3
  • Refractive index: 1.864
  • Water Solubility: slightly soluble in Water
  • Safety Statements: S24/25
  • EINECS: 208-463-2
  • Molecular Weight: 318.2351
  • InchiKey: IKMDFBPHZNJCSN-UHFFFAOYSA-N
  • InChI: InChI=1S/C15H10O8/c16-6-3-7(17)11-10(4-6)23-15(14(22)13(11)21)5-1-8(18)
    12(20)9(19)2-5/h1-4,16-20,22H
  • Risk Statements: S24/25:Avoidcontactwithskinandeyes.;
  • Molecular Formula: C15H10O8
  • Molecular Structure:CAS No:529-44-2 3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)chromen-4-one

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References of 3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)chromen-4-one
Title: Myricetin
CAS Registry Number: 529-44-2
CAS Name: 3,5,7-Trihydroxy-2-(3,4,5-trihydroxyphenyl)-4H-1-benzopyran-4-one
Synonyms: 3,3￠,4￠,5,5￠,7-hexahydroxyflavone; cannabiscetin; delphidenolon 1575
Molecular Formula: C15H10O8
Molecular Weight: 318.24
Percent Composition: C 56.61%, H 3.17%, O 40.22%
Literature References: From the bark of Myrica nagi Thunb., Myriaceae: Perkin, Hummel, J. Chem. Soc. 69, 1287 (1896). Structure: Perkin, ibid. 81, 203 (1902). Identity with cannabiscetin: Seshadri, Venkateswarlu, Proc. Indian Acad. Sci. 23A, 296 (1946); C.A. 40, 6447 (1946). Synthesis: Kalff, Robinson, J. Chem. Soc. 127, 181 (1925); Rao et al., J. Sci. Ind. Res. 8B, No. 6, 113 (1949). Occurrence in Hamamelidaceae and Anacardiaceae: Reznek, Egger, Z. Naturforsch. 15b, 247 (1960). Metabolism: Smith, Griffiths, Biochem. J. 118, 53p (1970).
Properties: Yellow needles from dil alc, mp 357°. uv max (ethanol): 375, 255 nm. Sparingly sol in boiling water; sol in alcohol. Practically insol in chloroform, acetic acid.
Melting point: mp 357°
Absorption maximum: uv max (ethanol): 375, 255 nm
 
Derivative Type: Hexaacetate
Molecular Formula: C27H22O14
Molecular Weight: 570.46
Percent Composition: C 56.85%, H 3.89%, O 39.27%
Properties: Crystals, mp 213°.
Melting point: mp 213°
 
Derivative Type: Hexaethyl ether
Molecular Formula: C27H34O8
Molecular Weight: 486.55
Percent Composition: C 66.65%, H 7.04%, O 26.31%
Properties: Needles from alcohol, mp 149-151°.
Melting point: mp 149-151°
 
Derivative Type: 3-Rhamnoside
Synonyms: Myricitrin
Molecular Formula: C21H20O12
Molecular Weight: 464.38
Percent Composition: C 54.31%, H 4.34%, O 41.34%
Properties: Structure: Hattori, Hayashi, Acta Phytochim. 5, 213 (1931), C.A. 26, 9908 (1932). Pale yellow leaflets from water, mp 199-200°. uv max (alc): 262, 352 nm. Sparingly sol in water, abs alcohol.
Melting point: mp 199-200°
Absorption maximum: uv max (alc): 262, 352 nm