87711-45-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87711-45-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,1 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 87711-45:
(7*8)+(6*7)+(5*7)+(4*1)+(3*1)+(2*4)+(1*5)=153
153 % 10 = 3
So 87711-45-3 is a valid CAS Registry Number.