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Duogynon Forte is a combination of two hormones, levonorgestrel and ethinylestradiol, commonly used as an oral contraceptive pill. Levonorgestrel is a progestin, which helps to prevent ovulation and thicken cervical mucus, while ethinylestradiol is an estrogen that thins the uterine lining and alters the cervical mucus to prevent sperm from reaching an egg. Together, these hormones work synergistically to reduce the chances of pregnancy by inhibiting ovulation, altering the cervical mucus, and changing the lining of the uterus. It is important to note that Duogynon Forte is not suitable for all individuals, and its use should be guided by a healthcare professional considering a person's medical history and current health status.

8000-03-1

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8000-03-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 8000-03-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 8,0,0 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 8000-03:
(6*8)+(5*0)+(4*0)+(3*0)+(2*0)+(1*3)=51
51 % 10 = 1
So 8000-03-1 is a valid CAS Registry Number.
InChI:InChI=1/C25H28O3.C21H30O2/c1-25-14-13-20-19-10-8-18(28-24(27)16-5-3-2-4-6-16)15-17(19)7-9-21(20)22(25)11-12-23(25)26;1-13(22)17-6-7-18-16-5-4-14-12-15(23)8-10-20(14,2)19(16)9-11-21(17,18)3/h2-6,8,10,15,20-23,26H,7,9,11-14H2,1H3;12,16-19H,4-11H2,1-3H3/t20?,21?,22?,23-,25-;16-,17+,18-,19-,20-,21+/m00/s1

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