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17β-Hydroxy-4α-methyl-5α-androstan-3-one ethylene acetal is a synthetic steroidal compound with the molecular formula C21H34O2. It is a derivative of the naturally occurring steroid hormone testosterone, featuring a methyl group at the 4α position and an ethylene acetal functional group at the 3-oxo position. This chemical is known for its anabolic and androgenic properties, which can enhance muscle growth and physical performance. It is used in medical applications for conditions like delayed puberty, muscle wasting, and osteoporosis, as well as in sports for performance enhancement, although its use is banned in many竞技体育 due to its potential for abuse and health risks. The ethylene acetal group in 17β-Hydroxy-4α-methyl-5α-androstan-3-one ethylene acetal serves to protect the 3-oxo group, which can be hydrolyzed in the body to release the active steroid.

3347-76-0

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3347-76-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3347-76-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,3,4 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 3347-76:
(6*3)+(5*3)+(4*4)+(3*7)+(2*7)+(1*6)=90
90 % 10 = 0
So 3347-76-0 is a valid CAS Registry Number.

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