1620494-28-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1620494-28-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,4,9 and 4 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1620494-28:
(9*1)+(8*6)+(7*2)+(6*0)+(5*4)+(4*9)+(3*4)+(2*2)+(1*8)=151
151 % 10 = 1
So 1620494-28-1 is a valid CAS Registry Number.
1620494-28-1Relevant articles and documents
PROCESS FOR THE PREPARATION AND PURIFICATION OF APIXABAN
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Paragraph 0154, (2014/08/06)
The present invention provides a process for the preparation and purification of apixaban.