397309-57-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 397309-57-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,9,7,3,0 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 397309-57:
(8*3)+(7*9)+(6*7)+(5*3)+(4*0)+(3*9)+(2*5)+(1*7)=188
188 % 10 = 8
So 397309-57-8 is a valid CAS Registry Number.
397309-57-8Relevant articles and documents
HETEROCYCLIC FUSED CINNOLINE M1 RECEPTOR POSITIVE ALLOSTERIC MODULATORS
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Page/Page column 36, (2010/11/05)
The present invention is directed to heterocyclic fused cinnoline compounds of formula (I) which are M1 receptor positive allosteric modulators and that are useful in the treatment of diseases in which the M1 receptor is involved, such as Alzheimer's dise