3-Hydroxyestra-1,3,5(10),15-tetraen-17-one is a naturally occurring steroidal compound, specifically a derivative of estrone, which is a type of estrogen hormone. This chemical is characterized by its unique structure, featuring a 3-hydroxyl group, a 17-ketone functional group, and four double bonds in the steroid nucleus. It plays a role in various biological processes, including the regulation of the menstrual cycle and the development of secondary sexual characteristics. The compound is also of interest in the field of pharmaceuticals and endocrinology due to its potential therapeutic applications and its involvement in hormone-related disorders.
The CAS Registry Mumber 3563-25-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,6 and 3 respectively; the second part has 2 digits, 2 and 5 respectively. Calculate Digit Verification of CAS Registry Number 3563-25: (6*3)+(5*5)+(4*6)+(3*3)+(2*2)+(1*5)=85 85 % 10 = 5 So 3563-25-5 is a valid CAS Registry Number.