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CAS No 108-28-1 , 5-methylidenefuran-2-one

  • Name: 5-methylidenefuran-2-one
  • Synonyms: 5-methylene-; 5-methylene-2(5H)-furanone; 108-28-1;5-methylidenefuran-2-one;5-Methylenefuran-2(5H)-one; 2(5H)-Furanone; 4-Methylenebut-2-en-4-olide;
  • CAS Registry Number:
  • Density: 1.14g/cm3
  • Refractive index: 1.492
  • EINECS: 203-567-4
  • Molecular Weight: 96.08406
  • InchiKey: RNYZJZKPGHQTJR-UHFFFAOYSA-N
  • InChI: InChI=1S/C5H4O2/c1-4-2-3-5(6)7-4/h2-3H,1H2
  • Molecular Formula: C5H4O2
  • Molecular Structure:CAS No:108-28-1 5-methylidenefuran-2-one

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108-28-1 Pulsatilla Chinensis Extract

  • Pulsatilla Chinensis Extract Type: Herbal Extract Latin Name Pulsatilla chinensis (Bunge) Regel. Origin: China Part: Root Form: Powder Color: Brown-yellow Active Ingredient: pulchinenoside, saponin, betulinic acid, anemonin CAS: 108-28-1 MF: C5H4O2 M...
  • Min. Order: 500
  • China Hubei Saichuang Group [Manufacturer, Trading Company]
  • Tel: 86-027-50756064
  • Address: Zhongshan Road wuhan,HubeiChina
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108-28-1 Protoanemonin

  • Protoanemonin, 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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108-28-1 Protoanemonin, 99%

  • Protoanemonin, 99%
  • China Pleapharma Co.,Ltd [Manufacturer]
  • Tel: 86 23 67030808
  • Fax: 86 23 67030809
  • Address: 22F,Jingxin center,No.70 Xingguang Road,Yubei Zone,Chongqing402232 chongqingCHINA chongqing,nullChina
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108-28-1 Protoanemonin

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108-28-1 Protoanemonin

  • China Waykind Chemicals Corporation [Manufacturers]
  • Tel: +86-512-6238 8313
  • Fax: +86-512-6238 8313
  • Address: No.60,Yingfengjie, Ningwei, Xiaoshan,Hangzhou hangzhou,zhejiangChina
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108-28-1 Protoanemonin

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108-28-1 5-METHYLENEFURAN-2(5H)-ONE

  • China Nanjing Chemlin Chemical Industry Co.,Ltd. [Manufacturer]
  • Tel: +86 25 8369-7070/ +86 138 51816776 (Mobile)
  • Fax: +86 25 8345-3275
  • Address: Rm.902 Longyin Plaza,
    No. 217 Zhongshan Rd.
    (N)Nanjing 210009,China null,nullChina
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References of 5-methylidenefuran-2-one
Title: Protoanemonin
CAS Registry Number: 108-28-1
CAS Name: 5-Methylene-2(5H)-furanone
Synonyms: 4-hydroxy-2,4-pentadienoic acid g-lactone; 5-methylene-2-oxodihydrofuran
Trademarks: Isomycin (Werfft)
Molecular Formula: C5H4O2
Molecular Weight: 96.08
Percent Composition: C 62.50%, H 4.20%, O 33.30%
Literature References: An antibacterial principle of Anemone pulsatilla L., Ranunculaceae: Seegal, Holden, Science 101, 413 (1945). Exists as a glucoside, ranunculin, in the intact plant, and is released by an enzymatic process on maceration of the plant tissue: R. Hill, R. van Heyningen, Biochem. J. 49, 332 (1951). Isoln: Asahina, Fujita, Acta Phytochim. 1, 1 (1922); Baer et al., J. Biol. Chem. 162, 65 (1946). Structure and synthesis: Asahina, Fujita, loc. cit.; Muskat et al., J. Am. Chem. Soc. 52, 326 (1930); Fox, Jr., Proc. Soc. Exp. Biol. 51, 102 (1942); Shaw, J. Am. Chem. Soc. 68, 2510 (1946). Industrial prepns: GB 759999 (1956 to Olin Mathieson), C.A. 51, 9678f (1957); Reicheneder et al., DE 1088047 (BASF), C.A. 56, 14086i (1962); Sakuma, Hirano, US 3203863 (1965 to Lion Dentifrice).
Properties: Pale yellow oil; volatile with steam. bp1.5 45°. Sol in ethylene dichloride, chloroform. Solubility in water ~1%. Stable in water. When pure the compd turns to a hard polymer which, when ground and extracted with boiling ethyl acetate, yields anemonin, q.v.
Boiling point: bp1.5 45°
Therap-Cat: Antibacterial.