"16α-bromo-3-hydroxy-1,3,5(10)-estratrien-17-one 3-acetate" is a complex organic compound belonging to the class of steroids, specifically a derivative of estradiol, a naturally occurring estrogen hormone. This chemical features a 16α-bromo substituent, which introduces a bromine atom at the 16α position, and a 3-acetate group, indicating an acetate functional group at the 3 position. The compound's structure is characterized by a 1,3,5(10)-estratrien framework, which is a three-ring system typical of steroidal compounds, and a 17-ketone group, signifying a carbonyl group at the 17 position. This molecule is of interest in medical research due to its potential applications in hormone therapy and as a precursor in the synthesis of other steroidal drugs.
The CAS Registry Mumber 1239-35-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,3 and 9 respectively; the second part has 2 digits, 3 and 5 respectively. Calculate Digit Verification of CAS Registry Number 1239-35: (6*1)+(5*2)+(4*3)+(3*9)+(2*3)+(1*5)=66 66 % 10 = 6 So 1239-35-6 is a valid CAS Registry Number.