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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-DihydroxycoumarinEsculetin
  • Switzerland CONNECT MARKETING GMBH [Manufacturer]
  • Tel: +41 81 740 58 50
  • Fax: +41 81 740 58 51
  • Address: CONNECT MARKETING GMBH
    BAHNWEG NORD 35
    CH-9475 SEVELEN/SG
    SWITZERLAND ,Switzerland
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305-01-1 Esculetin

  • EsculetinCichorigenin,6,7-Dihydroxycoumarin, 98%
  • 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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305-01-1 Esculetin

  • Esculetin
  • Hong kong Frapp's Pharma (Hongkong) Co.,Ltd [Manufacturer]
  • Tel: +852 8130 0917
  • Fax: +852 8130 0927
  • Address: Room 801,Mongkok Harbour Centre,638 Shanghai Street,Mongkok,Kowloon,Hongkang518001 MongkokHONG KONG Mongkok,Hong kong
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305-01-1 Esculetine

  • Esculetine
  • 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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305-01-1 Esculetin, 98+%

  • Esculetin, 98+%
  • Belgium Alkemi [Manufacturer]
  • Tel: +32 9 340 49 49
  • Fax: +32 9 340 49 47
  • Address: Poststraat, 82 B-9160 Lokeren Belgium ,Belgium
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305-01-1 6,7-Dihydroxycoumarin

  • 6,7-Dihydroxycoumarin, 98.0%MIN
  • China Zeniview Chemistry Technology Co., Ltd. [Manufacturer]
  • Tel: +86-25-86088590
  • Fax: +86-25-85612276
  • Address: No.05,No.01 Hangzhongmen Dajie, Nanjing, China 210016 Nanjing CHINA 210016 NanjingCHINA Nanjing,China
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305-01-1 AESCULETIN

  • 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 ,Germany
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305-01-1 ESCULETIN(RG)

  • ESCULETIN(RG)
  • 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 ,United States
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305-01-1 6,7-dihydroxycoumarin

  • 6,7-dihydroxycoumarin6,7-dihydroxycoumarin, 98%
  • China PMIDA AGROCHEMICAL CO.,LTD [Manufacturer]
  • Tel: +86-023-67030808-8010
  • Fax: +86-023-67030809
  • Address: 17F,Venus Science Incubate Center,No.60 Xingguang Road,New North Zone401121 ChongqingCHINA Chongqing,China
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305-01-1 6,7-Dihydroxycoumarin

  • 6,7-Dihydroxycoumarin, 98%
  • China Shanghai Rainbow Chemistry Co., Ltd. [Manufacturer]
  • Tel: +86-21-64968086
  • Fax: +86-21-64968086
  • Address: Room 128, Building B, No. 8 Lane 1305, Huajing Road, Xuhui District, Shanghai, P.R. China 200000 Shanghai CHINA Shanghai,China
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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.