79069-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79069-91-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,0,6 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 79069-91:
(7*7)+(6*9)+(5*0)+(4*6)+(3*9)+(2*9)+(1*1)=173
173 % 10 = 3
So 79069-91-3 is a valid CAS Registry Number.