Estra-1,3,5(10)-trien-2,3,17β-triyl triacetate, also known as estriol triacetate, is a synthetic derivative of the naturally occurring hormone estriol. Estriol is a form of estrogen, which is a primary female sex hormone responsible for the development of female sexual characteristics and regulation of the menstrual cycle. In its triacetate form, estriol is modified by the addition of three acetate groups, which increases its stability and allows for easier administration. This chemical is primarily used in pharmaceutical applications, such as hormone replacement therapy and treatment of certain conditions related to estrogen deficiency. It is important to note that the use of estriol triacetate should be under the guidance of a healthcare professional, as it can have potential side effects and interact with other medications.
The CAS Registry Mumber 7291-56-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,2,9 and 1 respectively; the second part has 2 digits, 5 and 6 respectively. Calculate Digit Verification of CAS Registry Number 7291-56: (6*7)+(5*2)+(4*9)+(3*1)+(2*5)+(1*6)=107 107 % 10 = 7 So 7291-56-7 is a valid CAS Registry Number.