1224724-00-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1224724-00-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,4,7,2 and 4 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1224724-00:
(9*1)+(8*2)+(7*2)+(6*4)+(5*7)+(4*2)+(3*4)+(2*0)+(1*0)=118
118 % 10 = 8
So 1224724-00-8 is a valid CAS Registry Number.
1224724-00-8Relevant articles and documents
A PROCESS FOR THE PREPARATION OF TADALAFIL.
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Page/Page column 12, (2010/05/14)
The present invention relates to a process for the preparation of Tadalafil, to intermediates for the synthesis thereof, and to a process for their preparation.