1252018-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1252018-25-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,2,0,1 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1252018-25:
(9*1)+(8*2)+(7*5)+(6*2)+(5*0)+(4*1)+(3*8)+(2*2)+(1*5)=109
109 % 10 = 9
So 1252018-25-9 is a valid CAS Registry Number.
1252018-25-9Relevant articles and documents
Processes for the preparation of rivaroxaban and intermediates thereof
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Page/Page column 40-41, (2010/11/03)
This invention provides a process for the preparation of S-Rivaroxaban and/or R-Rivaroxaban comprising reacting, in the presence of a first base, a compound of Formula 9: with a compound of Formula 8: