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CAS No 305-01-1 , 6,7-dihydroxychromen-2-one

  • Name: 6,7-dihydroxychromen-2-one
  • Synonyms: 6,7-dihydroxychromen-2-one; Aesculetin; Cichoriin aglucon;6,7-DIHYDROXYCOUMARIN; 305-01-1; Cichorigenin; Esculin aglucon; Esculetol; Esculatin;
  • CAS Registry Number:
  • Melting Point: 271-273 ºC
  • Density: 1.563 g/cm3
  • Refractive index: 1.594
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xi: Irritant;
  • EINECS: 206-161-5
  • Molecular Weight: 178.14154
  • InchiKey: ILEDWLMCKZNDJK-UHFFFAOYSA-N
  • InChI: InChI=1S/C9H6O4/c10-6-3-5-1-2-9(12)13-8(5)4-7(6)11/h1-4,10-11H
  • Risk Statements: S26;S37/39
  • Molecular Formula: C9H6O4
  • Molecular Structure:CAS No:305-01-1 6,7-dihydroxychromen-2-one
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305-01-1 6,7-Dihydroxycoumarin

  • 6,7-Dihydroxycoumarin
  • United States RIA International [Manufacturer]
  • Tel: 19735811282
  • Fax: 19735811283
  • Address: 11 Melanie Lane #17 East Hanover 07936 NJ UNITED STATES NJ,nullUnited States
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305-01-1 Esculetin

  • Esculetin6,7-Dihydroxycoumarin
  • Switzerland Biosynth AG [Manufacturer]
  • Tel: +41 71 858 20 20/ 630.305.8400 (USA)
  • Fax: +41 71 858 20 30
  • Address: BIOSYNTH AG
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    9422 Staad / Switzerland
    Phone: +41 (0)71 858 20 20
    Fax: +41 (0)71 858 20 30 null,nullSwitzerland
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305-01-1 Esculetine

  • Switzerland Senn Chemicals AG [Manufacturer]
  • Tel: +41 (0)43 422 2400
  • Fax: +41 (0)43 422 2424
  • Address: Senn Chemicals AG
    P.O. Box 267
    Guido Senn Strasse 1, CH-8157 Dielsdorf
    Switzerland null,nullSwitzerland
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305-01-1 6,7-Dihydroxycoumarin

  • 6,7-Dihydroxycoumarin
  • United States Ivy Fine Chemicals [Manufacturer]
  • Tel: 856-465-8550
  • Fax: 856-616-1161
  • Address: Ivy Fine Chemicals
    1312 Bunker Hill Drive
    Cherry Hill, NJ 08003
    USA null,nullUnited States
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305-01-1 6,7-Dihydroxycoumarin, 98% *

  • 6,7-Dihydroxycoumarin, 98% *
  • China Changchem [Manufacturer]
  • Tel: +86 513 8515 5236
  • Fax: +86 513 8515 2292
  • Address: 7th Floor76 Yue Long Road226001 Nantong null,nullChina
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305-01-1 Esculetin

  • Esculetin6,7-Dihydroxycoumarin
  • China Beijing HuameiHuli Biochem Ltd [Manufacturers]
  • Tel: 010-86181995
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  • Address: Beijing TongZhou District Beijing,BeijingChina
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305-01-1 6,7-Dihydroxycoumarin

  • 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
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305-01-1 Esculetin

  • Esculetin
  • United Kingdom Molekula Ltd [Manufacturer]
  • Tel: +44 1202 863000
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  • Address: Technology House Old Forge Road Ferndown Industrial Estate Wimborne Dorset Bh21 7RR null,nullUnited Kingdom
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305-01-1 Aesculetin

  • India Manus Aktteva null
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  • Address: 303, 3rd Floor, Royale Manor, Law Garden, Dhulia Kot Road, Ellisbridge, Ahmedabad, Gujarat 380006, null,nullIndia
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305-01-1 ESCULETIN

  • United States SYNASIA [Manufacturer]
  • Tel: 732-205-9880
  • Fax: 732-205-1788
  • Address: NJ Office:
    240 Amboy Avenue
    Metuchen NJ 08840 null,nullUnited States
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References of 6,7-dihydroxychromen-2-one
Title: Esculetin
CAS Registry Number: 305-01-1
CAS Name: 6,7-Dihydroxy-2H-1-benzopyran-2-one
Synonyms: 6,7-dihydroxycoumarin; cichorigenin
Molecular Formula: C9H6O4
Molecular Weight: 178.14
Percent Composition: C 60.68%, H 3.39%, O 35.93%
Literature References: The aglucon of esculin and of cichoriin. By hydrolysis of esculin or of cichoriin: Merz, Arch. Pharm. 270, 486 (1932). By synthesis: Gattermann, K?bner, Ber. 32, 288 (1899); Bert, Compt. Rend. 214, 230 (1942). Review: Sethna, Shah, Chem. Rev. 36, 1 (1945).
Properties: Prisms from glacial acetic acid; leaflets by vacuum sublimation. mp 268-270°. Soluble in dil alkalies with blue fluorescence; moderately sol in hot alcohol and in glacial acetic acid; almost insol in ether, in boiling water.
Melting point: mp 268-270°
Use: In filters for absorption of ultraviolet light.