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3β-fluoro-5-androsten-17-one is a synthetic steroid derived from the androstane class, characterized by the presence of a fluorine atom at the 3β position and a ketone group at the 17 position. 3β-fluoro-5-androsten-17-one exhibits anabolic and androgenic properties, which can influence muscle growth and development. It is not approved for human consumption and is primarily used for research purposes in the field of pharmacology and sports medicine. Due to its potential health risks and legal restrictions, it is important to approach this chemical with caution and to be aware of the regulations governing its use.

438-20-0

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438-20-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 438-20-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,3 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 438-20:
(5*4)+(4*3)+(3*8)+(2*2)+(1*0)=60
60 % 10 = 0
So 438-20-0 is a valid CAS Registry Number.

438-20-0Relevant academic research and scientific papers

Preparation of 3,17- and 3,20-difluoro-derivatives of the androst-5-ene and pregn-5-ene series

Decreau, Richard A.,Marson, Charles M.

, p. 4369 - 4385 (2007/10/03)

Unsaturated mono- and difluorosteroids have been prepared in high yield using n-perfluorobutanesulfonyl fluoride 1. The 3,17- and 3,20-difluoro-5,6- dehydrosteroids are reported for the first time. 3-Fluoroderivatives of the androst-5-ene-17-one and 5α-an

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