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CAS No 518-20-7 , 2-methoxy-2-methyl-4-phenyl-3,4-dihydropyrano[3,2-c]chromen-5-one

  • Name: 2-methoxy-2-methyl-4-phenyl-3,4-dihydropyrano[3,2-c]chromen-5-one
  • Synonyms: Pyranocumarin [German];Pyranocoumarin;2-methoxy-2-methyl-4-phenyl-3,4-dihydropyrano[3,2-c]chromen-5-one; Anticoagulans 63; Methanopyranorin; Cumopyrin; CYCLOCUMAROL; Compound 63 link; Cumopyran; Cyclocoumarol;
  • CAS Registry Number:
  • Transport: 2811
  • Flash Point: 216.2°C
  • Boiling Point: 488.6°C at 760 mmHg
  • Density: 1.27g/cm3
  • Refractive index: 1.624
  • Safety Statements: 28-36/37-45
  • Hazard Symbols: T+
  • Flash Point: 216.2°C
  • EINECS: 208-248-3
  • Molecular Weight: 322.35452
  • InchiKey: ZGFASEKBKWVCGP-UHFFFAOYSA-N
  • InChI: InChI=1S/C20H18O4/c1-20(22-2)12-15(13-8-4-3-5-9-13)17-18(24-20)14-10-6-
    7-11-16(14)23-19(17)21/h3-11,15H,12H2,1-2H3
  • Risk Statements: 27
  • Molecular Formula: C20H18O4
  • Molecular Structure:CAS No:518-20-7 2-methoxy-2-methyl-4-phenyl-3,4-dihydropyrano[3,2-c]chromen-5-one

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518-20-7 Cyclocoumarol

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518-20-7 CYCLOCUMAROL

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References of 2-methoxy-2-methyl-4-phenyl-3,4-dihydropyrano[3,2-c]chromen-5-one
Title: Cyclocumarol
CAS Registry Number: 518-20-7
CAS Name: 3,4-Dihydro-2-methoxy-2-methyl-4-phenyl-2H,5H-pyrano[3,2-c][1]benzopyran-5-one
Synonyms: 2-methyl-2-methoxy-4-phenyl-5-oxodihydropyrano[3,2-c][1]benzopyran; 3,4-(2￠-methyl-2￠-methoxy-4￠-phenyl)dihydropyranocoumarin; 4-hydroxycoumarin anticoagulant no 63
Manufacturers' Codes: BL-5
Trademarks: Cumopyran (Abbott); Cumopyrin
Molecular Formula: C20H18O4
Molecular Weight: 322.35
Percent Composition: C 74.52%, H 5.63%, O 19.85%
Literature References: Prepn: M. Ikawa et al., J. Am. Chem. Soc. 66, 902 (1944); M. A. Stahmann, et al., US 2427579 (1947 to Wisconsin Alumni Res. Found.).
Properties: Crystals from ethanol, mp 166°. One gram dissolves in 100 ml water. Slightly sol in alcohol, vegetable oil.
Melting point: mp 166°
Therap-Cat: Anticoagulant.
Keywords: Anticoagulant.