"9,11β-epoxy-16α,17-isopropylidenedioxy-9β-pregna-1,4-diene-3,20-dione" is a complex organic compound belonging to the steroid family, specifically a derivative of the pregnane class. This molecule is characterized by its unique structure, which includes a 9,11β-epoxy bridge, a 16α,17-isopropylidenedioxy group, and a 1,4-diene system. The presence of a 3,20-dione functional group further distinguishes it from other steroids. 9,11β-epoxy-16α,17-isopropylidenedioxy-9β-pregna-1,4-diene-3,20-dione is of interest in the field of chemistry and biochemistry due to its potential applications in pharmaceuticals and as a precursor in the synthesis of other biologically active molecules. Its specific structure may also be relevant to researchers studying the effects of steroidal compounds on various biological processes.
The CAS Registry Mumber 2135-13-9 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, 1 and 3 respectively. Calculate Digit Verification of CAS Registry Number 2135-13: (6*2)+(5*1)+(4*3)+(3*5)+(2*1)+(1*3)=49 49 % 10 = 9 So 2135-13-9 is a valid CAS Registry Number.