197915-36-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 197915-36-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,7,9,1 and 5 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 197915-36:
(8*1)+(7*9)+(6*7)+(5*9)+(4*1)+(3*5)+(2*3)+(1*6)=189
189 % 10 = 9
So 197915-36-9 is a valid CAS Registry Number.
197915-36-9Relevant articles and documents
Dihydropyrones with improved antiviral activity
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, (2008/06/13)
This invention pertains to improved antiviral activity of 6,6-disubstituted-5,6-dihydropyran-2-ones caused by judicious placement of certain polar substituents at the 3 and/or 6 positions. The same substituents which enhance the cellular activity also