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CAS No 1108-68-5 , Cinobufotalin

  • Name: Cinobufotalin
  • Synonyms: Cinobufotalin;14,15b-Epoxy-3b,5a,16b-trihydroxy-5b,20(22)-bufadienolide 16-acetate;
  • CAS Registry Number:
  • Transport: UN 2811
  • Melting Point: 259 - 262
  • Flash Point: 210.7 ºC
  • Boiling Point: 627.3 ºC at 760 mmHg
  • Density: 1.34 g/cm3
  • Refractive index: 1.611
  • Safety Statements: R26/27/28
  • Hazard Symbols: T+: Very toxic;
  • Flash Point: 210.7 ºC
  • Molecular Weight: 458.54
  • InChI: InChI=1/C26H34O7/c1-14(27)32-21-20(15-4-5-19(29)31-13-15)24(3)10-7-17-18(26(24)22(21)33-26)8-11-25(30)12-16(28)6-9-23(17,25)2/h4-5,13,16-18,20-22,28,30H,6-12H2,1-3H3/t16-,17-,18+,20-,21+,22+,23+,24+,25-,26+/m0/s1
  • Risk Statements: S22;S36/37/39;S45
  • Molecular Formula: C26H34O7
  • Molecular Structure:CAS No:1108-68-5 Cinobufotalin

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1108-68-5 Bufa-20,22-dienolide,16-(acetyloxy)-14,15-epoxy-3,5-dihydroxy-, (3b,5b,15b,16b)-

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References of Cinobufotalin
Title: Cinobufotalin
CAS Registry Number: 1108-68-5
CAS Name: (3b,5b,15b,16b)-16-(Acetyloxy)-14,15-epoxy-3,5-dihydroxybufa-20,22-dienolide
Synonyms: 14,15b-epoxy-3b,5,16b-trihydroxy-5b-bufa-20,22-dienolide 16-acetate
Molecular Formula: C26H34O7
Molecular Weight: 458.54
Percent Composition: C 68.10%, H 7.47%, O 24.42%
Literature References: Isolated from the Chinese drug Ch'an Su which is prepd from Chinese toads (Bufo asiaticus = bufo gargarizans Cantor). Isoln: Kotake, Kuwada, C.A. 31, 70652 (1937); Ruckstubl, Meyer, Helv. Chim. Acta 40, 1270 (1957). Structure: Bernoulli et al., ibid. 45, 240 (1962).
Properties: Octahedrons from acetone, mp 259-262°. [a]D20 +11°. uv max: 295 nm (log e 3.72).
Melting point: mp 259-262°
Optical Rotation: [a]D20 +11°
Absorption maximum: uv max: 295 nm (log e 3.72)