Title: Androstane
CAS Registry Number: 438-22-2
CAS Name: (5a)-Androstane
Additional Names: etioallocholane
Molecular Formula: C19H32
Molecular Weight: 260.46
Percent Composition: C 87.62%, H 12.38%
Literature References: From androstane-3,17-dione: Butenandt, Tscherning, Z. Physiol. Chem. 229, 185 (1934). From androstane-3,17-diol: Steiger, Reichstein, Helv. Chim. Acta 20, 817 (1937). From D16-androstene: Prelog et al., ibid. 27, 66 (1944).
Properties: Leaflets from acetone-methanol, mp 50-50.5°. Sublimes at 60° and 0.003 mm Hg. [a]D16 +2° (c = 1.2 in chloroform). Sol in acetone, alc, methanol, ether, petr ether, chloroform.
Melting point: mp 50-50.5°
Optical Rotation: [a]D16 +2° (c = 1.2 in chloroform)
Derivative Type: 17-Amino-HCl
Properties: Dec 345°: Marker, J. Am. Chem. Soc. 58, 480 (1936).
Androstane-3beta,11beta-diol-17-one Androstenediol Androstenedione Anecortave Acetate Anemonin

Androstane 5alpha-beta.png
CAS number 24887-75-0 YesY
438-22-2 (5α)
438-23-3 (5β)
PubChem 94144
ChemSpider 5256872 YesY
ChEBI CHEBI:35509 YesY
Jmol-3D images Image 1
Image 2
Molecular formula C19H32
Molar mass 260.46 g mol−1
Density 0.95 g/ml
 YesY (verify) (what is: YesY/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Androstane is a steroid. Androstane can exist as either of two isomers, known as 5α-androstane and 5β-androstane.