Testolactone
Title: Testolactone
CAS Registry Number: 968-93-4
CAS Name: (4aS,4bR,10aR,10bS,12aS)-3,4,4a,5,6,10a,10b,11,12,12a-Decahydro-10a,12a-dimethyl-2H-phenanthro[2,1-b]pyran-2,8(4bH)-dione
Additional Names: D-homo-17a-oxaandrosta-1,4-diene-3,17-dione; 13-hydroxy-3-oxo-13,17-secoandrosta-1,4-dien-17-oic acid d-lactone; 1,2,3,4,4a,4b,7,9,10,10a-decahydro-2-hydroxy-2,4b-dimethyl-7-oxo-1-phenanthrenepropionic acid d-lactone; delta-1-testololactone; 1-dehydrotestololactone; 17a-oxo-D-homo-1,4-androstadiene-3,17-dione; D1-testolactone
Manufacturers' Codes: NSC-23759; SQ-9538
Trademarks: Fludestrin (BMS); Teslac (BMS)
Molecular Formula: C19H24O3
Molecular Weight: 300.39
Percent Composition: C 75.97%, H 8.05%, O 15.98%
Literature References: Obtained by microbial transformation of progesterone, Reichstein's substance S, or testosterone: Fried et al., J. Am. Chem. Soc. 75, 5764 (1953); eidem, US 2744120 (1956 to Olin Mathieson); Brannon et al., J. Org. Chem. 30, 760 (1965). Comprehensive description: K. Florey, Anal. Profiles Drug Subs. 5, 533-553 (1976).
Properties: Crystals from acetone, mp 218-219°. [a]D23 -45.6° (c = 1.24 in chloroform). uv max (ethanol): 242 nm (e 15800).
Melting point: mp 218-219°
Optical Rotation: [a]D23 -45.6° (c = 1.24 in chloroform)
Absorption maximum: uv max (ethanol): 242 nm (e 15800)
NOTE: This is a controlled substance (anabolic steroid): 21 CFR, 1308.13, as defined in 1300.01.
Therap-Cat: Antineoplastic.
Keywords: Antineoplastic (Hormonal); Androgens.

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