78778-29-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78778-29-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,7,7 and 8 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 78778-29:
(7*7)+(6*8)+(5*7)+(4*7)+(3*8)+(2*2)+(1*9)=197
197 % 10 = 7
So 78778-29-7 is a valid CAS Registry Number.