958275-39-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 958275-39-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,8,2,7 and 5 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 958275-39:
(8*9)+(7*5)+(6*8)+(5*2)+(4*7)+(3*5)+(2*3)+(1*9)=223
223 % 10 = 3
So 958275-39-3 is a valid CAS Registry Number.
958275-39-3Relevant articles and documents
PROCESSES FOR THE PREPARATION OF NOVEL BENZIMIDAZOLE DERIVATIVES
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, (2013/05/09)
The present invention relates to processes and intermediates for the preparation of novel benzimidazole derivatives, especially in the synthesis of hepatits C virus NS5A inhibitors. In particular, the present invention relates to processes and intermediates for the preparation of compounds of formulae (I-a):