| Title:  Adrenosterone CAS Registry Number:  382-45-6 CAS Name:  Androst-4-ene-3,11,17-trione Additional Names:  Reichstein's substance G Molecular Formula:  C19H24O3 Molecular Weight:  300.39 Percent Composition:  C 75.97%, H 8.05%, O 15.98% Literature References:  Prepn:  Reichstein, Helv. Chim. Acta 19, 29, 1107 (1936); Kendall et al., J. Biol. Chem. 116, 267 (1936); Reichstein, Helv. Chim. Acta 20, 817, 953 (1937).  Total synthesis:  Velluz et al., Compt. Rend. 250, 1293 (1960).  Crystal structure:  Ohrt et al., Acta Crystallogr. 19, 479 (1965).  Metabolism:  Bradlow et al., Steroids 10, 233 (1967). Properties:  Needles from alcohol, mp 220-224°.  Sublimes in high vacuum.  Soly in water:  9.85 (23°), 15.2 (37°) mg/100 ml.  Sol in alcohol, acetone, ether.  [a]D20 +262° (abs alcohol); [a]255461 +364 ± 5° (c = 0.18 in abs alc).  uv max:  235 nm. Melting point:  mp 220-224° Optical Rotation:  [a]D20 +262° (abs alcohol); [a]255461 +364 ± 5° (c = 0.18 in abs alc) Absorption maximum:  uv max:  235 nm  |