16α,17-dihydroxy-pregna-4,9(11)-diene-3,20-dione is a steroidal compound belonging to the class of pregnanes, which are derivatives of the parent steroid pregnane. This specific compound is characterized by the presence of two hydroxyl groups at the 16α and 17 positions, a double bond between carbons 4 and 9, and a double bond between carbons 11 and 12, along with a ketone group at the 3 and 20 positions. It is an important intermediate in the synthesis of various steroidal drugs and hormones, such as corticosteroids and progestogens, due to its unique structural features and biological activities. The compound plays a significant role in the pharmaceutical industry for the development of therapeutic agents targeting various medical conditions, including inflammation, immune disorders, and hormonal imbalances.
The CAS Registry Mumber 2135-08-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,3 and 5 respectively; the second part has 2 digits, 0 and 8 respectively. Calculate Digit Verification of CAS Registry Number 2135-08: (6*2)+(5*1)+(4*3)+(3*5)+(2*0)+(1*8)=52 52 % 10 = 2 So 2135-08-2 is a valid CAS Registry Number.