1337972-89-0 Usage
Description
13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol (Levo Norgestrel Impurity) is a chemical compound that serves as an impurity in the synthesis of Levonorgestrel, a synthetic progestin hormone used in various contraceptive and hormone therapy medications. It is characterized by its pale brown solid appearance.
Uses
Used in Pharmaceutical Industry:
13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol (Levo Norgestrel Impurity) is used as an impurity in the production of Levonorgestrel for the pharmaceutical industry. The presence of this impurity is essential for the synthesis process of Levonorgestrel, which is then utilized in the development of contraceptive pills, emergency contraceptives, and hormone replacement therapies. The impurity plays a role in the overall effectiveness and safety of the final product by ensuring the correct dosage and minimizing potential side effects.
Check Digit Verification of cas no
The CAS Registry Mumber 1337972-89-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,7,9,7 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1337972-89:
(9*1)+(8*3)+(7*3)+(6*7)+(5*9)+(4*7)+(3*2)+(2*8)+(1*9)=200
200 % 10 = 0
So 1337972-89-0 is a valid CAS Registry Number.
