62227-64-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 62227-64-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,2,2 and 7 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 62227-64:
(7*6)+(6*2)+(5*2)+(4*2)+(3*7)+(2*6)+(1*4)=109
109 % 10 = 9
So 62227-64-9 is a valid CAS Registry Number.
62227-64-9Relevant articles and documents
HIV protease inhibitors based on amino acid derivatives
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, (2008/06/13)
A compound selected from the group consisting of a compound of formula I 1a compound of formula II 2and when the compound of formula I and II comprises an amino group pharmaceutically acceptable ammonium salts thereof, wherein R1, R2, Cx, n, R3, R4, R5, Y are as defined in the specification.