71736-19-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71736-19-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,7,3 and 6 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 71736-19:
(7*7)+(6*1)+(5*7)+(4*3)+(3*6)+(2*1)+(1*9)=131
131 % 10 = 1
So 71736-19-1 is a valid CAS Registry Number.