774547-14-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 774547-14-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,4,5,4 and 7 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 774547-14:
(8*7)+(7*7)+(6*4)+(5*5)+(4*4)+(3*7)+(2*1)+(1*4)=197
197 % 10 = 7
So 774547-14-7 is a valid CAS Registry Number.