Betulin CAS No.473-98-3 / Cat No.EBD2197857
Betulin
betulin
Betulinol
lup-20(29)-ene-3,28-diol
(3beta)-lup-20(29)-ene-3,28-diol
(3beta,5xi,9xi,13xi,14xi,18xi,19xi)-lup-20(29)-ene-3,28-diol
(3beta,5xi,9xi,18xi)-lup-20(29)-ene-3,28-diol
lup-20(29)-ene-3,28-diol
(3beta)-lup-20(29)-ene-3,28-diol
(3beta,5xi,9xi,13xi,14xi,18xi,19xi)-lup-20(29)-ene-3,28-diol
(3beta,5xi,9xi,18xi)-lup-20(29)-ene-3,28-diol
Properties
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Density:
1.017 g/cm3
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Melting point:
256-257 °C(lit.)
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Boiling point:
522.275 °C at 760mm Hg
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Flashing point:
210.873 °C
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Storage temperature:
2-8°C
Safety Information
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Symbol:
-
Signal words:
Warning -
Hazard statements:
H371 May cause damage to organs.
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Precautionary statements:
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
NMR Spectrum
Prediction： 1H NMR spectrum of the obtained betulin measured in CDCl3 with the addition of 10 percent v/v CD3OD is as follows: 0.76 s, 0.83 s, 0.97 s, 0.98 s, 1.02 s, 1.68 s, 6 x 3H (6 x CH3); 2.39 ddd, 1 H (J=10.98, J = 10.8, Y = 5.8, H-19beta); 3.19 dd, 1 H (J =I 1.1, J=5.2, H-3alpha); 3.33 dd, 1 H (J= 11.0, J=1.2, H-28a); 3.80 dd, 1 H, (J = 10.8, J = 1.8, H-28b); 4.58 m, 1 H (sigma J = 6.5, H-29E); 4.68 m, 1 H (sigma J = 2.9, H-29Z).
1H NMR
13C NMR
