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17α-methyl-4-androstene-3β,17β-diol, also known as methandienone or Dianabol, is an anabolic steroid derived from testosterone. It is a synthetic compound that was initially developed for medical purposes, such as treating conditions like muscle wasting and osteoporosis. However, it gained popularity among athletes and bodybuilders due to its ability to promote muscle growth and strength. This chemical has a 17α-alkylated structure, which allows it to be orally active and resist liver metabolism, making it more potent than other anabolic steroids. Despite its performance-enhancing effects, methandienone is associated with various side effects, including liver toxicity, hormonal imbalances, and cardiovascular risks. It is important to note that the use of anabolic steroids like methandienone is illegal without a prescription and can lead to serious health consequences.

571-03-9

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571-03-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 571-03-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,7 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 571-03:
(5*5)+(4*7)+(3*1)+(2*0)+(1*3)=59
59 % 10 = 9
So 571-03-9 is a valid CAS Registry Number.

571-03-9Downstream Products

571-03-9Relevant academic research and scientific papers

Reduction of steroidal ketones with amine - Boranes

Leontjev,Vasiljeva,Pivnitsky

, p. 703 - 708 (2004)

Complexes of secondary amines with borane, R2NH·BH 3, surpass sodium borohydride as reducing agents for saturated and unsaturated steroidal 3-, 12-, 17-, and 20-ketones as regards chemo- and regioselectivity and mildness of the reaction conditions. In the case of 12-ketones, stereoselectivity is also improved.

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