77770-25-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77770-25-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,7,7 and 0 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 77770-25:
(7*7)+(6*7)+(5*7)+(4*7)+(3*0)+(2*2)+(1*5)=163
163 % 10 = 3
So 77770-25-3 is a valid CAS Registry Number.
77770-25-3Relevant articles and documents
PROCESS FOR MAKING 2-ARYL-3-ARYL-5-HALO PYRIDINES USEFUL AS COX-2 INHIBITORS
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Page 15-16, (2010/02/07)
The invention encompasses a process for making compounds of Formula (I) useful in the treatment of cyclooxygenase-2 mediated diseases.
