77418-64-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77418-64-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,1 and 8 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 77418-64:
(7*7)+(6*7)+(5*4)+(4*1)+(3*8)+(2*6)+(1*4)=155
155 % 10 = 5
So 77418-64-5 is a valid CAS Registry Number.