Home > Name List By 5 > 5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)chromen-4-one

CAS No 520-34-3 , 5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)chromen-4-one

  • Name: 5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)chromen-4-one
  • Synonyms: CHEBI:4630;Luteolin 4'-methyl ether; 5,7,3'-Trihydroxy-4'-methoxyflavone; 520-34-3;5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)chromen-4-one;
  • CAS Registry Number:
  • Density: 1.512 g/cm3
  • Refractive index: 1.697
  • Hazard Symbols: Xi: Irritant;
  • EINECS: 208-291-8
  • Molecular Weight: 300.26288
  • InchiKey: MBNGWHIJMBWFHU-UHFFFAOYSA-N
  • InChI: InChI=1S/C16H12O6/c1-21-13-3-2-8(4-10(13)18)14-7-12(20)16-11(19)5-9(17)
    6-15(16)22-14/h2-7,17-19H,1H3
  • Molecular Formula: C16H12O6
  • Molecular Structure:CAS No:520-34-3 5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)chromen-4-one

Related products

Search by region :

Select to

520-34-3 Diosmetin

  • Product Name: Diosmetin Synonym: 3',5,7-Trihydroxy-4'Methoxyflavone CAS Number: 520-34-3 Specification: 97%,98%HPLC Raw material main source: Sichuan, Jiangxi, Zhejiang, Guangxi, Hunan, etc. Appearance: Yellow fine powder Botanical Source: Citrus lim...
  • Min. Order: 25
  • China Benepure Pharmaceutical Co. Ltd. [Manufacturer]
  • Tel: 86-28-86799990
  • Address: 99# Jirui 3rd Road, High-tech District Chengdu,SichuanChina
Contact Supplier

520-34-3 DIOSMETIN

  • DIOSMETIN Synonym: Diosmetin(6CI); Flavone, 3',5,7-trihydroxy-4'-methoxy- (7CI,8CI); 3',5,7-Trihydroxy-4'-methoxyflavone; 4'-Methylluteolin; Diosmetol; Luteolin 4'-methylether; Pillon; CAS: 520-34-3 EINECS: 208-291-8 Assay: NLT96% M.F: C16H12O6 M.W: ...
  • Min. Order: 500
  • China Hubei Gongchuang Group [Manufacturer, Trading Company]
  • Tel: 86-027-15927298986
  • Address: Zhongshan Road Wuchang Wuhan,HubeiChina
Contact Supplier

520-34-3 DIOSMETIN

  • Hong kong Advanced Technology & Industrial Co., Ltd. [Manufacturer]
  • Tel: (852) 2390 2293/ (852) 2394 5546
  • Fax: (852) 2789 8314
  • Address: Unit B, 1/F., Cheong Shing Bldg.,
    17 Walnut St., Tai Kok Tsui, Kln,
    Hong Kong null,nullHong kong
Contact Supplier

520-34-3 Diosmetin with hplc

  • Diosmetin with hplc3',5,7-Trihydroxy-4'-methoxyflavone, >85%
  • United States INDOFINE Chemical Co., Inc. [Manufacturer]
  • Tel: (908) 359-6778
  • Fax: (908) 359-1179
  • Address: 121 Stryker Lane
    Bldg 30, Suite 1
    Hillsborough, NJ 08844 null,nullUnited States
Contact Supplier

520-34-3 DIOSMETIN(SH)

  • DIOSMETIN(SH)4'-Methoxy-5,7,3'-Trihydroxyflavone
  • United States ChromaDex Inc. [Manufacturer]
  • Tel: 949-419-0288
  • Fax: 949-419-0294
  • Address: ChromaDex Inc.
    10005 Muirlands Blvd. Suite G - First Floor
    Irvine, CA 92618 null,nullUnited States
Contact Supplier

520-34-3 Diosmetin

  • China Kouting Chemical Co.,Ltd [Importer/Exporter]
  • Tel: +86-(21)-58116473
  • Fax: +86-(21)-61094103
  • Address: Hunan Road, Pudong New District, Shanghai, Shanghai 201318, shanghai,shanghaiChina
Contact Supplier

520-34-3 Diosmetin

  • Diosmetin3',5,7-Trihydroxy-4'-methoxyflavone
  • China Beijing HuameiHuli Biochem Ltd [Manufacturers]
  • Tel: 010-86181995
  • Fax: 010-86860610
  • Address: Beijing TongZhou District Beijing,BeijingChina
Contact Supplier

520-34-3 4H-1-Benzopyran-4-one,5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-

  • China shanghai Tauto Biotech Co., Ltd [Manufacturer]
  • Tel: +86-21-51320588
  • Fax: +86-21-51320502
  • Address: No. 326, Aidisheng Rd , Zhangjiang Hi-tech Park, Shanghai , P.R.CHINA Shanghai,ShanghaiChina
Contact Supplier

520-34-3 Diosmetin

  • Diosmetin
  • United States LKT Laboratories, Inc [Manufacturer]
  • Tel: (888)-558-5227
  • Fax:
  • Address: 2233 University Ave. West 55114-1600 St. PaulUNITED STATES 55114-1600 St. Paul,nullUnited States
Contact Supplier

520-34-3 4H-1-Benzopyran-4-one,5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-

Contact Supplier

Select to

1/3
1 2 3 Next
References of 5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)chromen-4-one
Title: Diosmetin
CAS Registry Number: 520-34-3
CAS Name: 5,7-Dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-4H-1-benzopyran-4-one
Synonyms: 3￠,5,7-trihydroxy-4￠-methoxyflavone; cyanidenon-4￠-methyl ether 1479; luteolin-4￠-methyl ether
Molecular Formula: C16H12O6
Molecular Weight: 300.26
Percent Composition: C 64.00%, H 4.03%, O 31.97%
Literature References: Aglycone of diosmin, q.v. Prepn from diosmin isolated from various plant sources: O. A. Oesterle, G. Wander, Helv. Chim. Acta 8, 519 (1925); isoln from lemons (Citrus limon Linn., Rutaceae): R. M. Horowitz, J. Org. Chem. 21, 1184 (1956). Synthesis and structural elucidation: G. Zemplén, R. Bognár, Ber. 76, 452 (1943). Synthesis: A. Lovecy et al., J. Chem. Soc. 1930, 817; N. B. Lorette et al., J. Org. Chem. 16, 930 (1951); J. H. Looker, M. J. Holm, ibid. 24, 1019 (1959). HPLC determn in biological fluids: D. Baylocq et al., Ann. Pharm. Fr. 41, 115 (1983).
 
Derivative Type: Hemimethanolate
Molecular Formula: C16H12O6.?CH3OH
Molecular Weight: 316.28
Percent Composition: C 62.66%, H 4.46%, O 32.88%
Properties: Yellow needles from alcohol/ethyl acetate, sinters at 248°. mp 253-254°. Also reported as small yellow needles from methanol, mp 258-259° (Horowitz). uv max: 345, 268, 253 nm (log e 4.32, 4.25, 4.28).
Melting point: mp 253-254°; mp 258-259° (Horowitz)
Absorption maximum: uv max: 345, 268, 253 nm (log e 4.32, 4.25, 4.28)
 
Derivative Type: Triacetate
Molecular Formula: C22H18O9
Molecular Weight: 426.37
Percent Composition: C 61.97%, H 4.26%, O 33.77%
Properties: Colorless needles from methanol, mp 195-196°.
Melting point: mp 195-196°