Basic information Safety Related Supplier

5-ALPHA-PREGNANE

Basic information Safety Related Supplier
5-ALPHA-PREGNANE Basic information
5-ALPHA-PREGNANE Chemical Properties
  • Melting point:84-85°
  • alpha D19 +18.4° (c = 1.69 in chloroform)
  • Boiling point:365.73°C (rough estimate)
  • Density 0.9415 (estimate)
  • refractive index 1.7640 (estimate)
  • CAS DataBase Reference641-85-0
Safety Information
5-ALPHA-PREGNANE Usage And Synthesis
  • Purification MethodsRecrystallise 5-pregnane several times from Me2CO. The melting point is lowered (e.g. to 50-71o) if it is contaminated with the 5-isomer. [Butenandt et al. Chem Ber 6 4 2529 1931, Steiger & Reichstein Helv Chim Acta 21 161 1938, Beilstein 5 III 1120, 1121, 1125.]
5-ALPHA-PREGNANE(641-85-0)Related Product Information
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