956907-44-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 956907-44-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,6,9,0 and 7 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 956907-44:
(8*9)+(7*5)+(6*6)+(5*9)+(4*0)+(3*7)+(2*4)+(1*4)=221
221 % 10 = 1
So 956907-44-1 is a valid CAS Registry Number.
956907-44-1Relevant articles and documents
2-PYRAZINONE DERIVATIVES FOR THE TREATMENT OF DISEASE OR CONDITION IN WHICH INHIBITION OF NEUTROPHIL ELASTASE ACTIVITY IS BENEFICIAL.
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Page/Page column 48, (2008/06/13)
The invention provides compounds of formula (I) wherein R1, R3, R4, R5, R14, X and W are as defined in the specification and optical isomers, racemates and tautomers thereof, and pharmaceutically acce