477974-64-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 477974-64-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,7,9,7 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 477974-64:
(8*4)+(7*7)+(6*7)+(5*9)+(4*7)+(3*4)+(2*6)+(1*4)=224
224 % 10 = 4
So 477974-64-4 is a valid CAS Registry Number.