221381-97-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 221381-97-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,3,8 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 221381-97:
(8*2)+(7*2)+(6*1)+(5*3)+(4*8)+(3*1)+(2*9)+(1*7)=111
111 % 10 = 1
So 221381-97-1 is a valid CAS Registry Number.
221381-97-1Relevant articles and documents
Pyrrolidin-2-one compounds and their use as neuraminidase inhibitors
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, (2008/06/13)
A compound having the formula: wherein all variables are as defined in the specification, for use as a neuramninidase inhibitor.