Title: Pregnane
CAS Registry Number: 481-26-5
CAS Name: 5b-Pregnane
Additional Names: 17b-ethyletiocholane
Molecular Formula: C21H36
Molecular Weight: 288.51
Percent Composition: C 87.42%, H 12.58%
Literature References: Prepd by reduction of etiocholyl methyl ketone or of pregnanedione: Butenandt, Ber. 64, 2529 (1931); Marker et al., J. Am. Chem. Soc. 60, 1067 (1938); Steiger, Reichstein, Helv. Chim. Acta 21, 161 (1938).
Properties: Monoclinic scales, plates from methanol; mp 83.5°. d415 1.032. [a]D19 +20° (c = 2 in chloroform).
Melting point: mp 83.5°
Optical Rotation: [a]D19 +20° (c = 2 in chloroform)
Density: d415 1.032 |