Title: Bolasterone
CAS Registry Number: 1605-89-6
CAS Name: (7a,17b)-17-Hydroxy-7,17-dimethylandrost-4-en-3-one
Additional Names: 7a,17a-dimethyltestosterone
Molecular Formula: C21H32O2
Molecular Weight: 316.48
Percent Composition: C 79.70%, H 10.19%, O 10.11%
Literature References: Synthetic anabolic; epimeric with calusterone, q.v. Prepn: BE 610385; Babcock, Campbell, US 3341557 (1962, 1967 both to Upjohn); Campbell, Babcock, Hormonal Steroids, Proc. 1st Int. Congr., 2, L. Martini, A. Pecile, Eds. (Academic Press, New York, 1965) pp 59-67. Activity studies: Stucki et al., ibid. 119-132. HPLC determn in urine: R. Gonzalo-Lumbreras, R. Izquierdo-Hornillos, J. Chromatogr. B 742, 47 (2000).
Properties: Crystals, mp 163-165°.
Melting point: mp 163-165°
NOTE: This is a controlled substance (anabolic steroid): 21 CFR, 1308.13, as defined in 1300.01.

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