21-acetoxy-6β-fluoro-5,11β,17-trihydroxy-5α-pregnane-3,20-dione is a complex steroidal compound characterized by its unique molecular structure. It features a pregnane core, which is a type of steroid with a specific carbon skeleton. The molecule is distinguished by the presence of three hydroxyl groups at the 5, 11β, and 17 positions, indicating the presence of alcohol functional groups. Additionally, it has a 6β-fluoro substitution, which introduces a fluorine atom at the 6 position on the β-face of the steroid ring system. The 21-acetoxy group signifies an acetate ester at the 21 position, and the compound also has a 3,20-dione functionality, indicating two carbonyl groups at these positions. This chemical is significant in the field of pharmaceuticals and medicine, often used as a precursor in the synthesis of various steroidal drugs due to its potential biological activities.
The CAS Registry Mumber 913-49-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,1 and 3 respectively; the second part has 2 digits, 4 and 9 respectively. Calculate Digit Verification of CAS Registry Number 913-49: (5*9)+(4*1)+(3*3)+(2*4)+(1*9)=75 75 % 10 = 5 So 913-49-5 is a valid CAS Registry Number.