Pentagestrone acetate is a synthetic progestin, a type of hormone that plays a crucial role in the female reproductive system. It is chemically similar to progesterone, a naturally occurring hormone, and is used in various medical applications, such as contraception and hormone replacement therapy. Pentagestrone acetate works by inhibiting ovulation, thickening cervical mucus to prevent sperm from reaching the egg, and altering the lining of the uterus to make it less receptive to a fertilized egg. It is typically administered in combination with estrogen in birth control pills to provide effective contraception. However, it is important to note that pentagestrone acetate is not approved for use in the United States due to concerns about its safety and potential side effects.
The CAS Registry Mumber 1178-60-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,7 and 8 respectively; the second part has 2 digits, 6 and 0 respectively. Calculate Digit Verification of CAS Registry Number 1178-60: (6*1)+(5*1)+(4*7)+(3*8)+(2*6)+(1*0)=75 75 % 10 = 5 So 1178-60-5 is a valid CAS Registry Number.