457947-87-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 457947-87-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,7,9,4 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 457947-87:
(8*4)+(7*5)+(6*7)+(5*9)+(4*4)+(3*7)+(2*8)+(1*7)=214
214 % 10 = 4
So 457947-87-4 is a valid CAS Registry Number.
457947-87-4Relevant academic research and scientific papers
NITROGEN-CONTAINING HETEROARYL COMPOUNDS HAVING HIV INTEGRASE INHIBITORY ACTIVITY
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Page 71; 72, (2008/06/13)
A compound of the formula (I): wherein Z4, Z5 and Z9 each is independently carbon atom or nitrogen atom; Y is hydroxy, mercapto or amino; RA is a group of the formula: (wherein C ring is nitrogen-containing heteroaryl) has an inhibitory activity against integrase.
