872703-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 872703-74-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,7,0 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 872703-74:
(8*8)+(7*7)+(6*2)+(5*7)+(4*0)+(3*3)+(2*7)+(1*4)=187
187 % 10 = 7
So 872703-74-7 is a valid CAS Registry Number.
872703-74-7Relevant articles and documents
HIV protease inhibitors
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Page/Page column 59, (2008/06/13)
Compounds of the formula (I): Wherein R1, R2, X and N are as defined in the specification; E is N, CH; A1 and A" are terminal groups as defined in the specification. The compounds have utility as HIV-I protease inhibitors.