Title: (5a)-Cholestane
CAS Registry Number: 481-21-0
Molecular Formula: C27H48
Molecular Weight: 372.67
Percent Composition: C 87.02%, H 12.98%
Literature References: The trans-decalin homolog of coprostane, q.v. Prepd from cholesteryl chloride: Diels, Linn, Ber. 41, 548 (1908); Windaus, Ber. 50, 136 (1917); Ruzicka et al., Helv. Chim. Acta 16, 327 (1933). Crystal structure: Haner, Norton, Acta Crystallogr. 20, 930 (1966).
Properties: Scales from ether + alcohol. mp 80°. [a]D20 +24.4° or +30.2° (c = 2 in chloroform). nD88 1.4887. Freely sol in chloroform, ether, benzene, slightly in abs alcohol.
Melting point: mp 80°
Optical Rotation: [a]D20 +24.4° or +30.2° (c = 2 in chloroform)
Index of refraction: nD88 1.4887 |