120202-72-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120202-72-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,2,0 and 2 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 120202-72:
(8*1)+(7*2)+(6*0)+(5*2)+(4*0)+(3*2)+(2*7)+(1*2)=54
54 % 10 = 4
So 120202-72-4 is a valid CAS Registry Number.
120202-72-4Relevant articles and documents
A PROCESS FOR PREPARING (S)-(+)-CLOPIDOGREL BASE AND ITS SALTS
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Page/Page column 4; 5, (2008/12/05)
The present invention relates to an improved processes for the preparation of Methyl (+)-(S)-(2-chlorophenyl)-(6,7dihydro-4H-thieno[3,2-c]pyridin-5-yl)acetate [Clopidogrel base, (I)] and their various pharmaceutically acceptable salts.