12-07034. Oxabolone [Archived]

Nomenclature

CAS number: 4721-69-1
(17β)-4,17-Dihydroxyestr-4-en-3-one; 4-hydroxy-19-nortestosterone; 19-norandrost-4-ene-4,17β-diol-3-one.
C18H26O3; mol wt 290.40.
C 74.45%, H 9.02%, O 16.53%.

Description and references

Prepn: Camerino et al., US 2999870 and US 3145201 (1961, 1964, both to Farmitalia). Prepn of the cypionate: Camerino, Patelli, GB 879622 and US 3020295 (1961, 1962, both to Farmitalia).

Chemical structure

Properties

Solid, mp 188-190°. uv max: 278 nm (11600).

Derivative

17-Cyclopentanepropionate.

Nomenclature

CAS number: 1254-35-9
17β-(2-Cyclopentylpropionyloxy)-4-hydroxyestr-4-en-3-one; oxabolone cypionate; Steranabol long-acting; Steranabol ritardo.
C26H38O4; mol wt 414.58.
C 75.32%, H 9.24%, O 15.44%.

Properties

Crystalline powder, mp 158-160°. [α]D20 +30° (c = 1 in chloroform). uv max (alc): 276 nm (E1%1cm 315). Practically insol in water, hexane. Slightly sol in methanol; sol in chloroform, dioxane, benzene.

Therapeutic Category

Anabolic.

Keywords

Anabolic

Status

This monograph has been retired and is no longer subject to revision or update.