Title: Methenolone
CAS Registry Number: 153-00-4
CAS Name: (5a,17b)-17-Hydroxy-1-methylandrost-1-en-3-one
Additional Names: 1-methyl-D1-androsten-17b-ol-3-one; méténolone
Molecular Formula: C20H30O2
Molecular Weight: 302.45
Percent Composition: C 79.42%, H 10.00%, O 10.58%
Literature References: Prepn: Wiechert, Kaspar, Ber. 93, 1710 (1960); Popper, DE 1023764 (1958 to Schering, AG).
Properties: Crystals from isopropyl ether, mp 149.5-152°. mp 160-161° (Popper). [a]D +58.9°.
Melting point: mp 149.5-152°; mp 160-161° (Popper)
Optical Rotation: [a]D +58.9°
Derivative Type: 17-Acetate
CAS Registry Number: 434-05-9
Trademarks: Primobolan Tablets (Schering AG); Primonabol
Molecular Formula: C22H32O3
Molecular Weight: 344.49
Percent Composition: C 76.70%, H 9.36%, O 13.93%
Properties: Crystals from isopropyl ether, mp 138-139°. uv max (methanol): 240 nm (e 13300). Sol in methanol, ether, chloroform.
Melting point: mp 138-139°
Absorption maximum: uv max (methanol): 240 nm (e 13300)
Derivative Type: 17-Enanthate
CAS Registry Number: 303-42-4
Additional Names: Methenolone enanthate; 17b-heptanoyloxy-1-methyl-5a-androst-1-en-3-one
Trademarks: Primobolan-Depot (Schering AG); Primonabol Depot
Molecular Formula: C27H42O3
Molecular Weight: 414.62
Percent Composition: C 78.21%, H 10.21%, O 11.58%
Properties: Used as repository form.
NOTE: This is a controlled substance (anabolic steroid): 21 CFR, 1308.13, as defined in 1300.01.
Therap-Cat: Anabolic.
Keywords: Anabolic.

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