5α-Estran-2-one, also known as 5α-estrone, is a naturally occurring steroid hormone derived from the estrane skeleton. It is a key metabolite of the primary female sex hormone, estradiol, and plays a significant role in the regulation of the menstrual cycle, pregnancy, and other physiological processes. Structurally, 5α-estrone features a ketone group at the C2 position and a 5α-configuration, which distinguishes it from its 5β-isomer. 5α-Estran-2-one is an important biomarker in endocrinology and has been studied for its potential therapeutic applications in various conditions related to hormonal imbalances.
The CAS Registry Mumber 4967-97-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,6 and 7 respectively; the second part has 2 digits, 9 and 7 respectively. Calculate Digit Verification of CAS Registry Number 4967-97: (6*4)+(5*9)+(4*6)+(3*7)+(2*9)+(1*7)=139 139 % 10 = 9 So 4967-97-9 is a valid CAS Registry Number.