21-acetoxy-11α,17-dihydroxy-16α-methyl-5α-pregnane-3,20-dione is a complex steroidal compound belonging to the pregnane family. It features a pregnane core structure with a 16α-methyl group, which distinguishes it from other pregnanes. The molecule has two hydroxyl groups at the 11α and 17 positions, and an acetoxy group at the 21 position, indicating the presence of an ester linkage. Additionally, it has a 3,20-dione functional group, which means there are two carbonyl groups at the 3 and 20 positions. This specific arrangement of functional groups gives the compound unique chemical properties and potential biological activities, which may be relevant in pharmaceutical or chemical research contexts.
The CAS Registry Mumber 7645-55-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,4 and 5 respectively; the second part has 2 digits, 5 and 5 respectively. Calculate Digit Verification of CAS Registry Number 7645-55: (6*7)+(5*6)+(4*4)+(3*5)+(2*5)+(1*5)=118 118 % 10 = 8 So 7645-55-8 is a valid CAS Registry Number.