1027705-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1027705-20-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,7,7,0 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1027705-20:
(9*1)+(8*0)+(7*2)+(6*7)+(5*7)+(4*0)+(3*5)+(2*2)+(1*0)=119
119 % 10 = 9
So 1027705-20-9 is a valid CAS Registry Number.
1027705-20-9Relevant articles and documents
2-CARBOXY THIOPHENE DERIVATIVES AS ANTI VIRAL AGENTS
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Page/Page column 41-42, (2008/12/05)
Anti-viral agents of compounds of Formula (I): wherein A, R1, R2 and R3 are as defined in the specification, processes for their preparation and their use in HCV treatment are provided.