517919-17-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 517919-17-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,7,9,1 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 517919-17:
(8*5)+(7*1)+(6*7)+(5*9)+(4*1)+(3*9)+(2*1)+(1*7)=174
174 % 10 = 4
So 517919-17-4 is a valid CAS Registry Number.
517919-17-4Relevant articles and documents
HIV PROTEASE INHIBITORS
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Page/Page column 35, (2013/05/21)
Compounds of Formula I are disclosed: wherein A, R1, R2, R3, R4A, R4B, R5, R6 and R7 are defined herein. The compounds encompassed by Formula I include compounds which