930303-50-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 930303-50-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,0,3,0 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 930303-50:
(8*9)+(7*3)+(6*0)+(5*3)+(4*0)+(3*3)+(2*5)+(1*0)=127
127 % 10 = 7
So 930303-50-7 is a valid CAS Registry Number.
930303-50-7Relevant articles and documents
Naphthyridin derivatives
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Page/Page column 32, (2008/06/13)
The present invention relates to heterocyclic derivatives of formula I wherein R1, R2 and R3 are as defined in the description and claims, which compounds are metabotropic glutamate receptor 5 antagonists.