1620494-30-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1620494-30-5 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, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1620494-30:
(9*1)+(8*6)+(7*2)+(6*0)+(5*4)+(4*9)+(3*4)+(2*3)+(1*0)=145
145 % 10 = 5
So 1620494-30-5 is a valid CAS Registry Number.
1620494-30-5Relevant articles and documents
PROCESS FOR THE PREPARATION AND PURIFICATION OF APIXABAN
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Paragraph 0156, (2014/08/06)
The present invention provides a process for the preparation and purification of apixaban.