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CAS No 66-97-7 , furo[3,2-g]chromen-7-one Search by region : Switzerland

  • Name: furo[3,2-g]chromen-7-one
  • Synonyms: Psoralen; Psoralene; Psorline-P; 7H-Furo[3,2-g][1]benzopyran-7-one; 7H-Furo[3,2-g]chromen-7-one; Furocoumarin; 66-97-7;furo[3,2-g]chromen-7-one; Ficusin;
  • CAS Registry Number:
  • Melting Point: 160-162 °C
  • Flash Point: 173.1 ºC
  • Boiling Point: 362.6 ºC at 760 mmHg
  • Density: 1.389 g/cm3
  • Refractive index: 1.667
  • Safety Statements: R36/37/38
  • Hazard Symbols: Xn: Harmful;
  • Flash Point: 173.1 ºC
  • EINECS: 200-639-7
  • Molecular Weight: 186.16354
  • InchiKey: ZCCUUQDIBDJBTK-UHFFFAOYSA-N
  • InChI: InChI=1S/C11H6O3/c12-11-2-1-7-5-8-3-4-13-9(8)6-10(7)14-11/h1-6H
  • Risk Statements: S26
  • Molecular Formula: C11H6O3
  • Molecular Structure:CAS No:66-97-7 furo[3,2-g]chromen-7-one

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References of furo[3,2-g]chromen-7-one
Title: Psoralen
CAS Registry Number: 66-97-7
CAS Name: 7H-Furo[3,2-g][1]benzopyran-7-one
Synonyms: 6-hydroxy-5-benzofuranacrylic acid d-lactone; furo[3,2-g]coumarin; ficusin
Molecular Formula: C11H6O3
Molecular Weight: 186.16
Percent Composition: C 70.97%, H 3.25%, O 25.78%
Literature References: One of a group of furocoumarins occurring naturally in more than two dozen plant sources, including Rutaceae (e.g. bergamot, limes, cloves), Umbelliferae (e.g. celery, parsnips), Leguminosae (e.g. Psoralen coryfolia), and Moraceae (e.g. figs). Isoln: H. S. Jois et al., J. Indian Chem. Soc. 10, 41 (1933); A. Stoll et al., Helv. Chim. Acta 33, 1637 (1950); F. E. King et al., J. Chem. Soc. 1954, 1392. Synthesis: E. Sp?th et al., Ber. 69, 1087 (1936); R. C. Esse, B. E. Christensen, J. Org. Chem. 25, 1565 (1960); O. Dann, D. Volz, Arch. Pharm. 308, 121 (1975); V. K. Ahluwalia et al., Monatsh. Chem. 111, 877 (1980). Psoralens are phytoalexins; they are used by plants in a defensive response to attacks by fungi and insects: M. Berenbaum, P. Feeny, Science 212, 927 (1981). They have also shown photosensitizing and phototoxic effects in animals and humans and have been used in photochemotherapy for management of vitiligo, psoriasis, and mycosis fungoides, cf. T. F. Anderson, J. J. Voorhees, Annu. Rev. Pharmacol. Toxicol. 20, 235 (1980); A. Kornhauser et al., Science 217, 733 (1982). Review of psoralen photochemistry: B. J. Parsons, Photochem. Photobiol. 32, 813-821 (1980). Review of genetic toxicity of psoralen and uv radiation in human cells: Acta Derm. Venereol. Suppl. 104, 4-40 (1982). See Methoxsalen, Trioxsalen, Bergapten for additional refs.
Properties: Crystals from ether, mp 163-164°; 169-179° (Sp?th). Absorption spectra: Wessely, Kaltan, Monatsh. Chem. 86, 430 (1955).
Melting point: mp 163-164°; 169-179° (Sp?th)
Use: As photochemical probe in biological systems: P.-S. Song, C.-N. Ou, Ann. N.Y. Acad. Sci. 346, 355 (1980).