11β,21-dihydroxy-3,20-dioxo-5β-pregnan-18-al is a steroidal compound belonging to the pregnane family, characterized by its unique molecular structure featuring two hydroxyl groups at the 11β and 21 positions, a carbonyl group at the 3 position, and a double bond between carbons 5 and 6. 11β,21-dihydroxy-3,20-dioxo-5β-pregnan-18-al is derived from the parent steroid, pregnane, and exhibits a 5β-configuration, indicating the orientation of the hydroxyl group at the 5 position. The 18-al suffix denotes the presence of an aldehyde group at the 18 position, which is a key functional group in this molecule. It is important to note that the compound's name also reflects the presence of a second carbonyl group at the 20 position, which is part of the dioxo structure. This complex structure endows the compound with specific biological activities and potential applications in医药领域, such as hormone regulation and therapeutic uses.
The CAS Registry Mumber 7305-52-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,3,0 and 5 respectively; the second part has 2 digits, 5 and 2 respectively. Calculate Digit Verification of CAS Registry Number 7305-52: (6*7)+(5*3)+(4*0)+(3*5)+(2*5)+(1*2)=84 84 % 10 = 4 So 7305-52-4 is a valid CAS Registry Number.