78266-76-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78266-76-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,2,6 and 6 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 78266-76:
(7*7)+(6*8)+(5*2)+(4*6)+(3*6)+(2*7)+(1*6)=169
169 % 10 = 9
So 78266-76-9 is a valid CAS Registry Number.