79666-78-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79666-78-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,6,6 and 6 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 79666-78:
(7*7)+(6*9)+(5*6)+(4*6)+(3*6)+(2*7)+(1*8)=197
197 % 10 = 7
So 79666-78-7 is a valid CAS Registry Number.