774481-25-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 774481-25-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,4,4,8 and 1 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 774481-25:
(8*7)+(7*7)+(6*4)+(5*4)+(4*8)+(3*1)+(2*2)+(1*5)=193
193 % 10 = 3
So 774481-25-3 is a valid CAS Registry Number.