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1-oxo-5β-androst-14-ene-17β-carboxylic acid methyl ester, also known as methyltestosterone, is a synthetic androgen and anabolic steroid derivative of testosterone. It is a white crystalline powder with a chemical formula of C20H30O2. 1-oxo-5β-androst-14-ene-17β-carboxylic acid methyl ester is structurally similar to testosterone but has a methyl group attached to the 17β-hydroxyl group, which allows it to be orally active. Methyltestosterone is used medically to treat conditions such as delayed puberty, hypogonadism, and breast cancer in women. It is also used off-label for its anabolic effects in athletes and bodybuilders to promote muscle growth and increase strength. However, it is important to note that the use of anabolic steroids can lead to serious side effects and health risks, and their use without a prescription is illegal in many countries.

15173-91-8

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15173-91-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15173-91-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,1,7 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 15173-91:
(7*1)+(6*5)+(5*1)+(4*7)+(3*3)+(2*9)+(1*1)=98
98 % 10 = 8
So 15173-91-8 is a valid CAS Registry Number.

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