5399-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5399-97-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,3,9 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 5399-97:
(6*5)+(5*3)+(4*9)+(3*9)+(2*9)+(1*7)=133
133 % 10 = 3
So 5399-97-3 is a valid CAS Registry Number.
5399-97-3Relevant articles and documents
Pyrazolo[4,3-D]pyrimidines, process for their preparation and methods of use
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Page 23, (2008/06/13)
The invention relates to 3-, 7-disubstituted pyrazolo[4,3-d]pyrimidines represented by the general formula I and pharmaceutically acceptable salts thereof, whereinR3 is selected from the group consisting of alkyl, cycloalkyl,, cycloalkyl alkyl, cycloheter