11-keto-5β-dihydrotestosterone is a naturally occurring steroid hormone derivative, which is a metabolite of the primary male sex hormone testosterone. It is formed through the reduction of testosterone by the enzyme 5α-reductase, followed by the oxidation of the 11β-hydroxyl group to form a ketone group. This chemical plays a significant role in the development and maintenance of male characteristics, such as muscle mass, bone density, and sexual function. Additionally, it has been implicated in various physiological processes, including the regulation of the hypothalamic-pituitary-gonadal axis and the modulation of mood and behavior. The study of 11-keto-5β-dihydrotestosterone and its effects on the human body is crucial for understanding the complex interplay of hormones and their impact on overall health and well-being.
The CAS Registry Mumber 1420-71-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,2 and 0 respectively; the second part has 2 digits, 7 and 1 respectively. Calculate Digit Verification of CAS Registry Number 1420-71: (6*1)+(5*4)+(4*2)+(3*0)+(2*7)+(1*1)=49 49 % 10 = 9 So 1420-71-9 is a valid CAS Registry Number.