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CAS No 520-36-5 , 5,7-dihydroxy-2-(4-hydroxyphenyl)chromen-4-one

  • Name: 5,7-dihydroxy-2-(4-hydroxyphenyl)chromen-4-one
  • Synonyms: C.I. Natural Yellow 1; Versulin;Chamomile; Apigenol; 4',5,7-Trihydroxyflavone; 520-36-5;5,7-dihydroxy-2-(4-hydroxyphenyl)chromen-4-one; Apigenine; Spigenin;
  • CAS Registry Number:
  • Transport: OTH
  • Density: 1.548 g/cm3
  • Refractive index: 1.732
  • Water Solubility: DMSO: 27 mg/mL
  • Safety Statements: R36/37/38,
  • Hazard Symbols: Xi:Irritant;
  • EINECS: 208-292-3
  • Molecular Weight: 270.2369
  • InchiKey: KZNIFHPLKGYRTM-UHFFFAOYSA-N
  • InChI: InChI=1S/C15H10O5/c16-9-3-1-8(2-4-9)13-7-12(19)15-11(18)5-10(17)6-14(15)
    20-13/h1-7,16-18H
  • Risk Statements: S26,S36,
  • Molecular Formula: C15H10O5
  • Molecular Structure:CAS No:520-36-5 5,7-dihydroxy-2-(4-hydroxyphenyl)chromen-4-one
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520-36-5 Apigenin

  • Creative Enzymes uses its expertise in enzyme manufacturing to supply customers enzymes using for life science research and production of medicines, food, alcohol, beer, fruit juice, fabric, paper, leather goods, etc. We provide Apigenin. More inform...
  • Min. Order: 10
  • United States Creative Enzymes [Manufacturer]
  • Tel: 1-516-6698109
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520-36-5 Apigenin Cas No.: 520-36-5 HPLC≥ 98%

  • Apigenin Othername:4',5,7-Trihydroxyflavone;5,7,4'-Trihydroxyflavone Chemical Properties Chemical Formula:C15H10O5 Cas No.: 520-36-5 Formula Weight:270.24g/mol Package: brown vial,20mg ,1g ,2g, or customized. Application: All our products are for res...
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  • FOB Price: USDfalse - true /
  • China Shaanxi Huayu Bio-Tech Co.,Ltd [Manufacturer, Trading Company]
  • Tel: 86-917-3676029
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  • Address: No.2 Chencang Road,Baoji Shaanxi China baoji,ShaanxiChina

520-36-5 Apigenin with hplc

  • Apigenin with hplc5,7,4'-Trihydroxyflavone, 99%
  • 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 ,United States
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520-36-5 apigenin

  • China Taiyuan RHF CO., ltd. [Manufacturers]
  • Tel: 0351-7436719
  • Fax: +86-351-7436719
  • Address: Shuangta South Alley 46,2-1, YingZe Area,Taiyuan, ShanXi ,ShanXiChina
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520-36-5 apigenin

  • United States HBCChem, Inc. [Manufacturers]
  • Tel: +1-510-219-6317
  • Fax: +1-510-675-0318
  • Address: Union City,CaliforniaUnited States
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520-36-5 Apigenin

  • Apigenin
  • Hong kong Frapp's Pharma (Hongkong) Co.,Ltd [Manufacturer]
  • Tel: +852 8130 0917
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  • Address: Room 801,Mongkok Harbour Centre,638 Shanghai Street,Mongkok,Kowloon,Hongkang518001 MongkokHONG KONG Mongkok,Hong kong
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520-36-5 Apigenin

  • Apigenin
  • China Sunkingchem Pharmaceutical Co., Ltd. [Manufacturer]
  • Tel: +86-28-88007744
  • Fax: +86-28-85193812
  • Address: A-703, Gaofa Building, Jiuxing Road 6#, Hi-Tech Zone 610041, Chengdu, Sichuan, China.610041 ChengduCHINA Chengdu,China
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520-36-5 Monomer Apigenin

  • Monomer Apigenin
  • China Betapharma Shanghai Inc.Co., Ltd [Manufacturer]
  • Tel: 86-21-62951620
  • Fax: 86-21-32230794
  • Address: Jinming Building 12A No. 8 Zunyi(S) Rd. Shanghai China 200336 shanghaiCHINA shanghai,China
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520-36-5 Apigenin

  • China Trust&We Co., Ltd. [Manufacturer]
  • Tel: +86-21-61044582
  • Fax: +86-21-61044583
  • Address: 1-102,No.11,Dongjiaominxiang Alley,
    Dongcheng District,
    Beijing 100005,China ,China
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520-36-5 Apigenin

  • Apigenin
  • China Shanghai Synnad Chemical Co., Ltd. [Importer/Exporter]
  • Tel: 86 21 5109 7911
  • Fax: 86 21 5109 7955
  • Address: B-5 Ecust Science Park, No. 18, Lane 1305, Hua Jing Road, Shanghai 200231 China Shanghai,ShanghaiChina
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References of 5,7-dihydroxy-2-(4-hydroxyphenyl)chromen-4-one
Title: Apigenin
CAS Registry Number: 520-36-5
CAS Name: 5,7-Dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one
Synonyms: 4¢,5,7-trihydroxyflavone; 2-(p-hydroxyphenyl)-5,7-dihydroxychromone; pelargidenon 1449
Molecular Formula: C15H10O5
Molecular Weight: 270.24
Percent Composition: C 66.67%, H 3.73%, O 29.60%
Literature References: The aglucon of apiin and of apigenin-7-glucoside. From apiin by boiling with acids, from apigenin-7-glucoside by enzymatic hydrolysis with emulsin or by boiling with 15% H2SO4. Isoln and structure: Czajkowski et al., Ber. 33, 1992 (1900); Schmid, Waschkau, Monatsh. Chem. 49, 83 (1928); Baker et al., J. Chem. Soc. 1963, 1477. Synthesis: Hutchins, Wheeler, ibid. 1939, 91; Farooq et al., Arch. Pharm. 292, 792 (1959).
Properties: Yellow needles from aqueous pyridine, mp 345-350°. uv max (ethanol): 269, 340 nm (e 18,800; 20,900). Practically insoluble in water; moderately sol in hot alcohol. Sol in dil KOH with intense yellow color.
Melting point: mp 345-350°
Absorption maximum: uv max (ethanol): 269, 340 nm (e 18,800; 20,900)
Use: Has been used to dye Cr mordanted wool yellow. The color is fast to soap.