774497-82-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 774497-82-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,4,4,9 and 7 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 774497-82:
(8*7)+(7*7)+(6*4)+(5*4)+(4*9)+(3*7)+(2*8)+(1*2)=224
224 % 10 = 4
So 774497-82-4 is a valid CAS Registry Number.