17β-Acetoxy-3-oxo-19-nor-androstan is a synthetic steroid derived from the androstane class, characterized by the absence of a carbon atom at the 19th position, making it a 19-nor steroid. 17β-Acetoxy-3-oxo-19-nor-androstan features a 3-oxo group, indicating the presence of a ketone at the third carbon, and a 17β-acetoxy group, which is an acetate ester at the 17th carbon. It is structurally similar to testosterone but with modifications that can alter its biological activity. This chemical is often used in scientific research to study the effects of steroidal compounds on various biological processes, and it may have applications in the development of pharmaceuticals, particularly in the area of hormone therapy and sports medicine. However, it is important to note that the use of such substances is regulated and must comply with legal and ethical standards.
The CAS Registry Mumber 5138-34-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,3 and 8 respectively; the second part has 2 digits, 3 and 4 respectively. Calculate Digit Verification of CAS Registry Number 5138-34: (6*5)+(5*1)+(4*3)+(3*8)+(2*3)+(1*4)=81 81 % 10 = 1 So 5138-34-1 is a valid CAS Registry Number.