78667-97-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78667-97-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,6,6 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 78667-97:
(7*7)+(6*8)+(5*6)+(4*6)+(3*7)+(2*9)+(1*7)=197
197 % 10 = 7
So 78667-97-7 is a valid CAS Registry Number.