253796-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 253796-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,3,7,9 and 6 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 253796-85:
(8*2)+(7*5)+(6*3)+(5*7)+(4*9)+(3*6)+(2*8)+(1*5)=179
179 % 10 = 9
So 253796-85-9 is a valid CAS Registry Number.
253796-85-9Relevant articles and documents
PHARMACEUTICAL INTERMEDIATES AND PROCESS FOR THE PREPARATION THEREOF
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Paragraph 0076; 0077; 0078, (2014/06/23)
The present invention relates to a process for the preparation of dabigatran etexilate of the formula or pharmaceutically accepted salts thereof.