1609409-54-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1609409-54-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,4,0 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1609409-54:
(9*1)+(8*6)+(7*0)+(6*9)+(5*4)+(4*0)+(3*9)+(2*5)+(1*4)=172
172 % 10 = 2
So 1609409-54-2 is a valid CAS Registry Number.
1609409-54-2Relevant articles and documents
PROCESS FOR THE SYNTHESIS OF APIXABAN
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Page/Page column 11, (2014/05/24)
The present invention relates to the Process for the preparation of Apixaban and novel intermediates useful in the synthesis of Apixaban (I).