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CAS: 1424-00-6

5a-Androstan-3-one, 17b-hydroxy-1a-methyl- (6CI,7CI,8CI);17b-Hydroxy-1a-methyl-5a-androstan-3-one;1a-Methyl-17b-hydroxy-5a-androstan-3-one;1a-Methyl-5a-dihydrotestosterone;Androviron;Mesteranum;Mestoranum;NSC 75054;Proviron;Provirone 25;SH 723;Testiwop;

Specifications︰ Product Name:Mesterolone
CAS No.: 1424-00-6
Items Standard
Appearance white or yellowish crystalline powder.
Solubility : Practically insoluble in water, sparingly soluble in acetone, in ethyl acetate and in methanol.
Identification I.R.
Melting Point: 206~211°C
Assay 98.0~102.0%
Specific Rotation 20°~ +24°( in methylene chloride)
Sulphated Ash 0.1%max
Related Substances(by HPLC) 17b-hydroxy-1a-methylandrost-4-en-3-one : 0.5%max
Any other impurity: 0.25%max
Total Impurities: 0.75%max
Disregard limit: 0.05%max
Impurity B(by TLC) 1a-methyl-5a-androstane-3b,17b-diol : 0.5%max
Particle Size 100%min ≤ 20 microns
Loss on Drying ≤0.5%
Assay ≥98.0%