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CAS No 82-57-5 , 4-methoxy-7-methylfuro[3,2-g]chromen-5-one

  • Name: 4-methoxy-7-methylfuro[3,2-g]chromen-5-one
  • Synonyms: 82-57-5;Visnagidin; NSC 100593; BRN 0234955; EINECS 201-430-3; Desmethoxykhellin;4-methoxy-7-methylfuro[3,2-g]chromen-5-one; Visnagine; 5-Methoxy-2-methylfuranochromone;
  • CAS Registry Number:
  • Melting Point: 139-142 °C
  • Flash Point: 182.5°C
  • Boiling Point: 378.2°C at 760 mmHg
  • Density: 1.308g/cm3
  • Refractive index: 1.613
  • Safety Statements:
    Hazard Codes Xn
    Risk Statements 22
    RTECS LV1420000
  • Hazard Symbols: Xn: Harmful;
  • Flash Point: 182.5°C
  • EINECS: 201-430-3
  • Molecular Weight: 230.2161
  • InchiKey: NZVQLVGOZRELTG-UHFFFAOYSA-N
  • InChI: InChI=1S/C13H10O4/c1-7-5-9(14)12-11(17-7)6-10-8(3-4-16-10)13(12)15-2/h3-
    6H,1-2H3
  • Risk Statements: 22
  • Molecular Formula: C13H10O4
  • Molecular Structure:CAS No:82-57-5 4-methoxy-7-methylfuro[3,2-g]chromen-5-one

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82-57-5 5H-Furo[3,2-g][1]benzopyran-5-one,4-methoxy-7-methyl-

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References of 4-methoxy-7-methylfuro[3,2-g]chromen-5-one
Title: Visnagin
CAS Registry Number: 82-57-5
CAS Name: 4-Methoxy-7-methyl-5H-furo[3,2-g][1]benzopyran-5-one
Synonyms: 5-methoxy-2-methylfuranochromone
Molecular Formula: C13H10O4
Molecular Weight: 230.22
Percent Composition: C 67.82%, H 4.38%, O 27.80%
Literature References: Spasmolytic constituent of Ammi visnaga Lam., Umbelliferae. One of the active principles in the Egyptian traditional medicine known as "khella" that is used as a diuretic and vasodilator. See also: visnadine, khellin. Isoln and structure: Sp?th, Gruber, Ber. 74, 1492 (1941). Synthesis: Aneja et al., Tetrahedron 3, 230 (1958); Badawi, Fayez, Tetrahedron Lett. 1967, 1029. HPLC determn in A. visnaga fruit: M. M. El-Domiaty, J. Pharm. Sci. 81, 475 (1992).
Properties: Thread-like needles from water. mp 142-145°. Very slightly sol in water; sparingly sol in alc; freely sol in chloroform.
Melting point: mp 142-145°