87711-43-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87711-43-1 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 3 respectively.
Calculate Digit Verification of CAS Registry Number 87711-43:
(7*8)+(6*7)+(5*7)+(4*1)+(3*1)+(2*4)+(1*3)=151
151 % 10 = 1
So 87711-43-1 is a valid CAS Registry Number.