950901-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 950901-83-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,0,9,0 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 950901-83:
(8*9)+(7*5)+(6*0)+(5*9)+(4*0)+(3*1)+(2*8)+(1*3)=174
174 % 10 = 4
So 950901-83-4 is a valid CAS Registry Number.
950901-83-4Relevant articles and documents
PYRIDOPYRIMIDINE DERIVATIVES AND THEIR USE AS PDE4 INHIBITORS
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Page/Page column 74-75, (2008/06/13)
The present invention provides a compound of a formula (I): wherein the variables are defined herein; to a process for preparing such a compound; and to the use of such a compound in the treatment of a PDE 4 mediated disease state.