Home > Name List By 2 > 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one

CAS No 117-39-5 , 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one

  • Name: 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one
  • Synonyms: Xanthaurine; Meletin; Quercetol; Quercetine;Sophoretin; Flavin meletin; Quertine; 117-39-5; Quercitin;2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one;
  • CAS Registry Number:
  • Transport: 2811
  • Melting Point: 314-317 ºC
  • Flash Point: 248.1ºC
  • Boiling Point: 642.4ºCat 760 mmHg
  • Density: 1.799 g/cm3
  • Refractive index: 1.767
  • Water Solubility: <0.1 G/100 ML AT 21 ºC
  • Safety Statements: R25:Toxicifswallowed.;R40:Possiblerisksofirreversibleeffects.;
  • Hazard Symbols: T:Toxic;
  • Flash Point: 248.1ºC
  • EINECS: 204-187-1
  • Molecular Weight: 302.2357
  • InchiKey: REFJWTPEDVJJIY-UHFFFAOYSA-N
  • InChI: InChI=1S/C15H10O7/c16-7-4-10(19)12-11(5-7)22-15(14(21)13(12)20)6-1-2-8
    (17)9(18)3-6/h1-5,16-19,21H
  • Risk Statements: S28:Aftercontactwithskin,washimmediatelywithplentyof...;S45:Incaseofaccidentofifyoufeelunwell,seekmedicaladviceimmediately(showthelabelwherepossible).;
  • Molecular Formula: C15H10O7
  • Molecular Structure:CAS No:117-39-5 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one
Search by region :

Select to

117-39-5 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one

  • Product Name Quercetin Quercetin CAS 117-39-5 Quercetin EINECS 204-187-1 Quercetin MF C15H10O6 Quercetin MW 286.2363 Quercetin Purity 95% Quercetin MP 314-317oC Quercetin BP 616.1°C at 760 mmHg Quercetin FP 239.5°C Quercetin Density 1.654g/cm3 Grade ...
  • China Wuhan Yuancheng Technology Development Co., Ltd [Manufacturer, Trading Company, Distributor/Wholesaler]
  • Tel: 86-188-72220796
  • Address: No.496 Zhongshan Road, Wuchang District, Wuhan wuhan,HubeiChina
Contact Supplier

117-39-5 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one

  • Product Name Quercetin Quercetin CAS 117-39-5 Quercetin EINECS 204-187-1 Quercetin MF C15H10O6 Quercetin MW 286.2363 Quercetin Purity 95% Quercetin MP 314-317oC Quercetin BP 616.1°C at 760 mmHg Quercetin FP 239.5°C Quercetin Density 1.654g/cm3 Grade ...
  • China Hubei Yuancheng Hezhong Technology Co.,Ltd [Manufacturer, Trading Company]
  • Tel: 86-188-72220796
  • Address: No.496 wuhan,HubeiChina
Contact Supplier

117-39-5 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one

  • Quercetin CAS 117-39-5 Quercetin EINECS 204-187-1 Quercetin MF C15H10O6 Quercetin MW 286.2363 Quercetin Purity 95% Quercetin MP 314-317oC Quercetin BP 616.1°C at 760 mmHg Quercetin FP 239.5°C Quercetin Density 1.654g/cm3
  • China WuHan YuanCheng FeiChuang Technology Co.,Ltd [Manufacturer, Trading Company]
  • Tel: 86-188-72220796
  • Address: No.496 wuhan,HubeiChina
Contact Supplier

117-39-5 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one

  • Quercetin CAS 117-39-5 Quercetin EINECS 204-187-1 Quercetin MF C15H10O6 Quercetin MW 286.2363 Quercetin Purity 95% Quercetin MP 314-317oC
  • China Hubei Yuancheng Saichuang Technology Co,Ltd [Manufacturer, Trading Company, Distributor/Wholesaler]
  • Tel: 86-188-72220799
  • Address: No.496 ZhongShan Road, Wuchang District, Wuhan,Hubei wuhan,HubeiChina
Contact Supplier

117-39-5 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one

  • Quercetin CAS 117-39-5 Quercetin EINECS 204-187-1 Quercetin MF C15H10O6 Quercetin MW 286.2363 Quercetin Purity 95%
  • China Hubei Yuancheng Saisi Technology Co., Ltd [Manufacturer, Trading Company, Distributor/Wholesaler]
  • Tel: 86-188-72220796
  • Address: No.496,Wuchang Distreet wuhan,HubeiChina
Contact Supplier

117-39-5 Quercetin

  • Product: Quercetin CAS No.: 117-39-5; 6151-25-3 (Quercetin dihydrate) Molecular Formula: C15H14O9 Molecular Weight: 338.2662 Chemical Name: 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-4H-chromen-4-one Plant Source: the derivate of Rutin Specification: Q...
  • China Aktin Chemicals Inc [Manufacturer, Distributor/Wholesaler]
  • Tel: 86-28-85159085
  • Fax: 86-28-85152372
  • Address: No.52, Yongfeng Road, Hi-Tech Zone Chengdu,SichuanChina
Contact Supplier

117-39-5 quercetin anhydrous

  • Quercetin Spec. Detail description CAS NO.:117-39-5 EINECS NO.: 204-187-1 BEILSTEIN NO.: 317313 MDL NO.: MFCD00149487 RTECS: LK8750000 Other Name: Meletin, Sophretin. Molecular Formula: C15H10O7 Molecular Weight: 302.23 Stability: Stable under normal...
  • China Sino-future [Manufacturer]
  • Tel: 86-29-83182005
  • Address: No 18dianzi Road xian ,ShaanxiChina
Contact Supplier

117-39-5 QUERCETIN

  • Germany BIOTREND Chemikalien GmbH [Manufacturer]
  • Tel: ++49 (0)2 21 9 49 83 20
  • Fax: ++49 (0)2 21 9 49 83 25
  • Address: BIOTREND Chemikalien GmbH
    Eupener Str. 157
    D - 50933 Cologne
    Germany null,nullGermany
Contact Supplier

117-39-5 Quercetin

  • China Simag Chemicals [Manufacturer]
  • Tel: +86 592 2680277
  • Fax: +86 592 2680237
  • Address: Simag Chemicals
    A-9D Atlantic sea view city,
    No.9 Hubin West Rd.,
    Xiamen China. null,nullChina
Contact Supplier

117-39-5 QUERCETIN

  • Germany Cfm Oskar Tropitzsch [Manufacturer]
  • Tel: +49-9231-9619-0
  • Fax: +49-9231-9619-60
  • Address: Cfm Oskar Tropitzsch
    Waldershofer Str. 49-51
    95615 Marktredwitz
    Germany null,nullGermany
Contact Supplier

Select to

References of 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one
Title: Quercetin
CAS Registry Number: 117-39-5
CAS Name: 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-1-benzopyran-4-one
Synonyms: 3,3¢,4¢,5,7-pentahydroxyflavone; meletin; sophoretin; cyanidenolon 1522
Molecular Formula: C15H10O7
Molecular Weight: 302.24
Percent Composition: C 59.61%, H 3.33%, O 37.06%
Literature References: The aglucon of quercitrin, of rutin, and of other glycosides. Widely distributed in the plant kingdom, esp in rinds and barks, in clover blossoms and in ragweed pollen. Isoln from Rhododendron cinnabarinum Hook, Ericaceae: Rangaswami et al., Proc. Indian Acad. Sci. 56A, 239 (1962), C.A. 58, 9414a (1963). Structure: Underhill et al., Can. J. Biochem. Physiol. 35, 219 (1957). Biosynthesis: Watkin et al., ibid. 229; Grisebach, Biochem. J. 85, 3p (1962); Patschke et al., Z. Naturforsch. 21b, 201 (1966). Synthesis: Shakhova et al., Zh. Obshch. Khim. 32, 390 (1962), C.A. 58, 1426f (1963). Metabolism: Nakagawa et al., Biochim. Biophys. Acta 97, 233 (1965). Toxicity data: M. Sullivan et al., Proc. Soc. Exp. Biol. Med. 77, 269 (1951). See also Bioflavonoids.
 
Derivative Type: Dihydrate
CAS Registry Number: 6151-25-3
Properties: Yellow needles from dil alcohol. Becomes anhydr at 95-97°. When anhydr dec 314°. uv max (alc): 258, 375 nm (log e 2.75, 2.75). One gram dissolves in 290 ml abs alc, in 23 ml boiling alc. Soluble in glacial acetic acid; in aq alkaline solns with yellow color. Practically insol in water. Alcoholic solns taste very bitter. LD50 orally in mice: 160 mg/kg (Sullivan).
Absorption maximum: uv max (alc): 258, 375 nm (log e 2.75, 2.75)
Toxicity data: LD50 orally in mice: 160 mg/kg (Sullivan)
 
Derivative Type: Pentabenzyl ether
CAS Registry Number: 13157-90-9
Synonyms: 3,3¢,4¢,5,7-Pentakis(benzyloxy)flavone; penta-O-benzylquercetin
Trademarks: Parietrope (Marcofina)
Molecular Formula: C50H40O7
Molecular Weight: 752.85
Percent Composition: C 79.77%, H 5.36%, O 14.88%
Literature References: Prepn: Chopin, Chadenson, C.R. Seances Acad. Sci. Ser. C 263, 729 (1966); Binovic, DE 2122514 (1972 to Biosedra), C.A. 76, 113072n (1972).
Properties: Crystals, mp 123-125°. uv max (chloroform): 249, 343 nm (log e 4.43, 4.14).
Melting point: mp 123-125°
Absorption maximum: uv max (chloroform): 249, 343 nm (log e 4.43, 4.14)
 
Derivative Type: 3-b-D-Galactoside hemipentahydrate
Synonyms: Hyperin; hyperoside
Molecular Formula: C21H20O12.2?H2O
Molecular Weight: 509.41
Percent Composition: C 49.51%, H 4.95%, O 45.54%
Literature References: From Acacia melanoxylon R. Br., Leguminosae: Falco, de Vries, Naturwissenschaften 51, 462 (1964).
Properties: Yellow needles from ethanol, dec 227-230°. [a]D20 -83° (c = 0.2 in pyridine). uv max: 259, 364 nm (log e 4.31, 4.39).
Optical Rotation: [a]D20 -83° (c = 0.2 in pyridine)
Absorption maximum: uv max: 259, 364 nm (log e 4.31, 4.39)
 
Therap-Cat: Capillary protectant.
Keywords: Vasoprotectant.