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CAS No 479-13-0 , 3,9-dihydroxy-[1]benzofuro[3,2-c]chromen-6-one

  • Name: 3,9-dihydroxy-[1]benzofuro[3,2-c]chromen-6-one
  • Synonyms: NSC 22842; Coumesterol; NSC22842; Cumoestrol;3,9-dihydroxy-[1]benzofuro[3,2-c]chromen-6-one;479-13-0; Cumostrol; Cumoesterol; 7,12-Dihydroxycoumestan; 3,9-Dihydroxycoumestan;
  • CAS Registry Number:
  • Density: 1.602 g/cm3
  • Refractive index: 1.768
  • Water Solubility: DMSO: soluble
  • Safety Statements: An experimental teratogen. Other experimental reproductive effects. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.
  • Hazard Symbols: Xn: Harmful;
  • EINECS: 207-525-6
  • Molecular Weight: 268.22102
  • InchiKey: ZZIALNLLNHEQPJ-UHFFFAOYSA-N
  • InChI: InChI=1S/C15H8O5/c16-7-1-3-9-11(5-7)19-14-10-4-2-8(17)6-12(10)20-15(18)
    13(9)14/h1-6,16-17H
  • Risk Statements: 22-36/37/38
  • Molecular Formula: C15H8O5
  • Molecular Structure:CAS No:479-13-0 3,9-dihydroxy-[1]benzofuro[3,2-c]chromen-6-one
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479-13-0 COUMESTROL

  • Biosyn Research Chemicals, founded in 1998, is one of the leading service providers for Chemical development of Natural products, API intermediates and Heterocyclic compounds to Pharmaceutical, Biotechnology, Chemical industries and Agro companies ac...
  • Min. Order: 1
  • India Biosyn Reserch Chemicals Pvt Ltd [Manufacturer, Other]
  • Tel: 91-9346-022300
  • Address: Plot No 176/A,Phase-II ,IDA, Mallapur Hyderabad,TalanganaIndia
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479-13-0 Coumestrol

  • Coumestrol7,12-Diydroxycoumestan
  • 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
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479-13-0 6H-Benzofuro[3,2-c][1]benzopyran-6-one,3,9-dihydroxy-

  • China Taiyuan RHF CO., ltd. [Manufacturers]
  • Tel: 0351-7436719
  • Fax: +86-351-7436719
  • Address: Shuangta South Alley 46,2-1, YingZe Area,Taiyuan, ShanXi null,ShanXiChina
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479-13-0 COUMESTROL

  • COUMESTROL
  • United States INTERNATIONAL LABORATORY LIMITED [Manufacturer]
  • Tel: ( 650 ) 278-9963
  • Fax: ( 650 ) 589-2786
  • Address: 1067 SNEATH LN SAN BRUNO CA 94066, USA SAN BRUNOUNITED STATES SAN BRUNO,nullUnited States
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479-13-0 Coumestrol

  • Coumestrol, Min 99%
  • China Finechemie Co., Ltd. [Manufacturer]
  • Tel: +86-23-99186710
  • Fax: +86-23-99186729
  • Address: 28th Floor Mordern Building,New-Tech Zone400020 ChongqingCHINA Chongqing,nullChina
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479-13-0 COUMESTROL(RG)

  • COUMESTROL(RG)7,12-Dihydroxycoumestan
  • 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
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479-13-0 Coumestrol

  • China Shanghai Xunxin Chemical Co., Ltd [Manufacturers]
  • Tel: +86-(21)-38218795
  • Fax: +86-(21)-38218795
  • Address: 580 Lane, Kanghong Road, Pudong New District, Shanghai 201315, Shanghai,ShanghaiChina
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479-13-0 Coumestrol

  • Coumestrol7,12-Dihydroxycoumestan
  • China Beijing HuameiHuli Biochem Ltd [Manufacturers]
  • Tel: 010-86181995
  • Fax: 010-86860610
  • Address: Beijing TongZhou District Beijing,BeijingChina
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479-13-0 Coumestrol

  • Coumestrol3,9-Dihydroxy-6H-benzofuro[3,2-c]-[1]benzopyran-6-one
  • Canada Toronto Research Chemicals [Manufacturers]
  • Tel: (416) 665-9696, 800-727-9240
  • Fax: 416 665-4439
  • Address: 2 Brisbane Rd.,North York, On.Canada M3J 2J8 null,nullCanada
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479-13-0 Coumestrol

  • Coumestrol
  • 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
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References of 3,9-dihydroxy-[1]benzofuro[3,2-c]chromen-6-one
Title: Coumestrol
CAS Registry Number: 479-13-0
CAS Name: 3,9-Dihydroxy-6H-benzofuro[3,2-c][1]benzopyran-6-one
Synonyms: 2-(2,4-dihydroxyphenyl)-6-hydroxy-3-benzofurancarboxylic acid d-lactone; 7¢,6-dihydroxycoumarino(3¢,4¢,3,2)coumarone
Molecular Formula: C15H8O5
Molecular Weight: 268.22
Percent Composition: C 67.17%, H 3.01%, O 29.83%
Literature References: An estrogenic factor occurring naturally in forage crops, esp in ladino clover (Trifolium repens L.), strawberry clover (T. fragiferum L.) and alfalfa (Medicago sativa L., Leguminosae). Isoln: Bickoff et al., J. Agric. Food Chem. 6, 536 (1958); Bickoff, Booth, US 2890116 (1959 to U.S.A.). Structure: Bickoff et al., J. Am. Chem. Soc. 80, 3969 (1958). Synthesis: Emerson, Bickoff, ibid. 4381; US 2884427 (1959 to U.S.A.); Jurd, Tetrahedron Lett. 1963, 1151; Kappe, Brandner, Z. Naturforsch. 29B, 292 (1974). Biosynthesis: Grisebach, Barz, Chem. Ind. (London) 1963, 690.
Properties: Crystals, mp 385°. Sublimes at 325°; sublimes in high vacuum at about 175°. uv max (methanol): 208, 243, 343 nm. Exhibits bright blue fluorescence in neutral or acid soln, greenish-yellow fluorescence in strong alkali. Absorption and fluorescence spectra: O. S. Wolfbeis, K. Schaffner, Photochem. Photobiol. 32, 143 (1980). Practically insol in water at acid and neutral pH, in petr ether. Sparingly sol in water at alkaline pH (pH 11-12); slightly sol in methanol, chloroform, ether; very slightly sol in carbon tetrachloride, benzene.
Melting point: mp 385°
Absorption maximum: uv max (methanol): 208, 243, 343 nm
 
Derivative Type: Diacetate
Molecular Formula: C19H12O7
Molecular Weight: 352.29
Percent Composition: C 64.78%, H 3.43%, O 31.79%
Properties: Crystals from acetic acid, mp 237°.
Melting point: mp 237°
 
Derivative Type: Dimethyl ether
Molecular Formula: C17H12O5
Molecular Weight: 296.27
Percent Composition: C 68.92%, H 4.08%, O 27.00%
Properties: Crystals from methanol, mp 198°.
Melting point: mp 198°